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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q

(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2019March 31, 2020
OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from        to
Commission File Number: 001-35061
NeoPhotonics CorporationCorporation
(Exact name of registrant as specified in its charter)

Delaware94-3253730
Delaware
94-3253730
(State or other jurisdiction

of incorporation or organization)
(I.R.S. Employer

Identification No.)
29113081 Zanker Road
San Jose,, California95134
(Address of principal executive offices, zip code)
(408) (408) 232-9200
(Registrant’s telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:

Title of each class:Trading symbol(s):Name of each exchange on which registered
Common Stock, $0.0025 par valueNPTNThe New York Stock Exchange
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 (“Exchange Act”) during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     Yes       No        
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).     Yes       No    
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filer
Non-accelerated filerSmaller reporting company
Emerging growth company



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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).     Yes       No    
As of October 31, 2019,April 30, 2020, there were approximately 48,241,13148,756,020 shares of the registrant’s Common Stock outstanding. 



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NEOPHOTONICS CORPORATION
For the Quarter Ended September 30, 2019March 31, 2020
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PART I. FINANCIAL INFORMATION
ITEM 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
NEOPHOTONICS CORPORATION
CONDENSED CONSOLIDATED BALANCE SHEETS
(Unaudited)
 
As of
September 30, 2019 December 31, 2018 As of
(In thousands, except par data) (In thousands, except par data)March 31, 2020December 31, 2019
ASSETS 
  
ASSETS
Current assets: 
  
Current assets:  
Cash and cash equivalents$61,396
 $58,185
Cash and cash equivalents$90,905  $70,467  
Short-term investments7,607
 7,481
Short-term investments7,662  7,638  
Restricted cash10,827
 11,053
Restricted cash10,932  10,972  
Accounts receivable, net of allowance for doubtful accounts65,245
 74,751
Accounts receivable, net of allowance for doubtful accounts61,663  68,890  
Inventories48,668
 52,159
Inventories46,146  46,930  
Assets held for sale
 2,971
Prepaid expenses and other current assets23,921
 26,605
Prepaid expenses and other current assets26,178  25,851  
Total current assets217,664
 233,205
Total current assets243,486  230,748  
Property, plant and equipment, net85,125
 100,090
Property, plant and equipment, net76,293  81,133  
Operating lease right-of-use assets16,037
 
Operating lease right-of-use assets15,128  15,603  
Purchased intangible assets, net2,315
 3,018
Purchased intangible assets, net1,953  2,151  
Goodwill1,115
 1,115
Goodwill1,115  1,115  
Other long-term assets3,088
 3,148
Other long-term assets3,781  3,929  
Total assets$325,344
 $340,576
Total assets$341,756  $334,679  
LIABILITIES AND STOCKHOLDERS’ EQUITY 
  
LIABILITIES AND STOCKHOLDERS’ EQUITY      
Current liabilities: 
  
Current liabilities:      
Accounts payable$58,306
 $58,403
Accounts payable$58,283  $58,554  
Notes payable and short-term borrowing
 4,795
Current portion of long-term debt3,054
 2,897
Current portion of long-term debt3,066  3,044  
Accrued and other current liabilities42,414
 50,288
Accrued and other current liabilities48,710  47,481  
Total current liabilities103,774
 116,383
Total current liabilities110,059  109,079  
Long-term debt, net of current portion44,771
 50,454
Long-term debt, net of current portion37,791  39,237  
Operating lease liabilities, noncurrent17,054
 
Operating lease liabilities, noncurrent15,998  16,543  
Other noncurrent liabilities9,748
 13,499
Other noncurrent liabilities10,670  9,614  
Total liabilities175,347
 180,336
Total liabilities174,518  174,473  
Commitments and contingencies (Note 12)


 

Commitments and contingencies (Note 11)Commitments and contingencies (Note 11)
Stockholders’ equity: 
  
Stockholders’ equity:  
Preferred stock, $0.0025 par value, 10,000 shares authorized, no shares issued or outstanding
 
Common stock, $0.0025 par value, 100,000 shares authorized 
  
As of September 30, 2019, 48,017 shares issued and outstanding; as of December 31, 2018, 46,378 shares issued and outstanding120
 116
Preferred stock, $0.0025 par value, 10,000 shares authorized, 0 shares issued
or outstanding
Preferred stock, $0.0025 par value, 10,000 shares authorized, 0 shares issued
or outstanding
—  —  
Common stock, $0.0025 par value, 100,000 shares authorized; at March 31, 2020,
48,662 shares issued and outstanding; at December 31, 2019, 48,526 shares issued
and outstanding
Common stock, $0.0025 par value, 100,000 shares authorized; at March 31, 2020,
48,662 shares issued and outstanding; at December 31, 2019, 48,526 shares issued
and outstanding
122  121  
Additional paid-in capital577,088
 564,722
Additional paid-in capital585,198  582,504  
Accumulated other comprehensive loss(10,594) (7,126)Accumulated other comprehensive loss(9,841) (7,871) 
Accumulated deficit(416,617) (397,472)Accumulated deficit(408,241) (414,548) 
Total stockholders’ equity149,997
 160,240
Total stockholders’ equity167,238  160,206  
Total liabilities and stockholders’ equity$325,344
 $340,576
Total liabilities and stockholders’ equity$341,756  $334,679  
See accompanying Notes to Condensed Consolidated Financial Statements.

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NEOPHOTONICS CORPORATION
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(Unaudited)
 
Three Months Ended
September 30,
 Nine Months Ended
September 30,
Three Months Ended
March 31,
 
(In thousands, except per share data)2019 2018 2019 2018(In thousands, except per share data)20202019
Revenue$92,392
 $81,748
 $253,448
 $231,436
Revenue$97,401  $79,366  
Cost of goods sold66,193
 62,815
 195,837
 187,849
Cost of goods sold67,675  63,629  
Gross profit26,199
 18,933
 57,611
 43,587
Gross profit29,726  15,737  
Operating expenses:       Operating expenses:      
Research and development13,688
 13,177
 42,164
 40,308
Research and development11,884  14,683  
Sales and marketing3,832
 4,351
 12,058
 12,366
Sales and marketing3,659  4,603  
General and administrative7,403
 8,592
 22,330
 23,509
General and administrative6,789  7,753  
Amortization of purchased intangible assets
 118
 119
 357
Amortization of purchased intangible assets—  119  
Asset sale related costs12
 251
 388
 344
Asset sale related costs12  329  
Restructuring charges3
 1,133
 261
 1,786
Restructuring charges—  179  
Gain on asset sale
 
 (817) 
Total operating expenses24,938
 27,622
 76,503
 78,670
Total operating expenses22,344  27,666  
Income (loss) from operations1,261
 (8,689) (18,892) (35,083)Income (loss) from operations7,382  (11,929) 
Interest income95
 85
 293
 300
Interest income98  99  
Interest expense(483) (540) (1,472) (2,007)Interest expense(378) (493) 
Other income (expense), net2,960
 1,310
 2,452
 1,891
Other income (expense), net1,198  (1,598) 
Total interest and other income (expense), net2,572
 855
 1,273
 184
Total interest and other income (expense), net918  (1,992) 
Income (loss) before income taxes3,833
 (7,834) (17,619) (34,899)Income (loss) before income taxes8,300  (13,921) 
Income tax provision(1,561) (291) (1,526) (2,009)Income tax provision(1,993) (170) 
Net income (loss)$2,272
 $(8,125) $(19,145) $(36,908)Net income (loss)$6,307  $(14,091) 
       
Basic net income (loss) per share$0.05
 $(0.18) $(0.41) $(0.82)Basic net income (loss) per share$0.13  $(0.30) 
Diluted net income (loss) per share$0.05
 $(0.18) $(0.41) $(0.82)Diluted net income (loss) per share$0.12  $(0.30) 
Weighted average shares used to compute basic net income (loss) per share47,666
 45,476
 46,949
 44,804
Weighted average shares used to compute basic net income (loss) per share48,615  46,414  
Weighted average shares used to compute diluted net income (loss) per share48,615
 45,476
 46,949
 44,804
Weighted average shares used to compute diluted net income (loss) per share50,617  46,414  
 
See accompanying Notes to Condensed Consolidated Financial Statements.

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NEOPHOTONICS CORPORATION
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSSINCOME (LOSS)
(Unaudited)
 
 Three Months Ended
March 31,
 
(in thousands)20202019
Net income (loss)$6,307  $(14,091) 
Other comprehensive income (loss):      
Foreign currency translation adjustments, net of 0 tax(1,970) 2,937  
Total other comprehensive (loss) income(1,970) 2,937  
Comprehensive income (loss)$4,337  $(11,154) 
 Three Months Ended
September 30,
 Nine Months Ended
September 30,
  
(in thousands)2019 2018 2019 2018
Net income (loss)$2,272
 $(8,125) $(19,145) $(36,908)
Other comprehensive income (loss):       
Foreign currency translation adjustments, net of zero tax(4,615) (5,588) (3,468) (7,968)
Unrealized gains on available-for-sale securities, net of zero tax
 
 
 1
Total other comprehensive loss(4,615) (5,588) (3,468) (7,967)
Comprehensive loss$(2,343) $(13,713) $(22,613) $(44,875)

See accompanying Notes to Condensed Consolidated Financial Statements.

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NEOPHOTONICS CORPORATION
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY  
(Unaudited)
Three Months Ended September 30, 2019Common stock Additional paid-in capital Accumulated other comprehensive loss Accumulated deficit Total stockholders’ equity
(In thousands)Shares Amount    
Balances at June 30, 201947,152
 $118
 $572,734
 $(5,979) $(418,889) $147,984
Comprehensive income (loss)
 
 
 (4,615) 2,272
 (2,343)
Offering costs
 
 (46) 
 
 (46)
Issuance of common stock in exchange for research and development services276
 1
 1,499
 
 
 1,500
Issuance of common stock upon exercise of stock options98
 
 397
 
 
 397
Issuance of common stock under employee stock purchase plan
 
 
 
 
 
Issuance of common stock for vested restricted stock units573
 1
 (1) 
 
 
Tax withholding related to vesting of restricted stock units(82) 
 (378) 
 
 (378)
Stock-based compensation costs
 
 2,883
 
 
 2,883
Balances at September 30, 201948,017
 $120
 $577,088
 $(10,594) $(416,617) $149,997

Three Months Ended March 31, 2020Common stockAdditional paid-in capitalAccumulated other comprehensive lossAccumulated deficitTotal stockholders’ equity
(In thousands)SharesAmount
Balances at December 31, 201948,526  $121  $582,504  $(7,871) $(414,548) $160,206  
Comprehensive income (loss)—  —  —  (1,970) 6,307  4,337  
Issuance of common stock upon exercise of stock options52  —  231  —  —  231  
Issuance of common stock under employee stock purchase plan—  —  —  —  —  —  
Issuance of common stock for vested restricted stock units114   —  —  —   
Tax withholding related to vesting of restricted stock units(30) —  (219) —  —  (219) 
Stock-based compensation costs—  —  2,682  —  —  2,682  
Balances at March 31, 202048,662  $122  $585,198  $(9,841) $(408,241) $167,238  
Three Months Ended September 30, 2018Common stock Additional paid-in capital Accumulated other comprehensive loss Accumulated deficit Total stockholders’ equity
(In thousands)Shares Amount    
Balances at June 30, 201844,906
 $112
 $553,945
 $(1,981) $(382,618) $169,458
Comprehensive loss
 
 
 (5,588) (8,125) (13,713)
Issuance of common stock upon exercise of stock options403
 1
 1,860
 
 
 1,861
Issuance of common stock under employee stock purchase plan
 
 
 
 
 
Issuance of common stock for vested restricted stock units604
 2
 (2) 
 
 
Tax withholding related to vesting of restricted stock units(73) 
 (471) 
 
 (471)
Stock-based compensation costs
 
 4,039
 
 
 4,039
Balances at September 30, 201845,840
 $115
 $559,371
 $(7,569) $(390,743) $161,174

Three Months Ended March 31, 2019Common stockAdditional paid-in capitalAccumulated other comprehensive lossAccumulated deficitTotal stockholders’ equity
(In thousands)SharesAmount
Balances at December 31, 201846,378  $116  $564,722  $(7,126) $(397,472) $160,240  
Comprehensive income (loss)—  —  —  2,937  (14,091) (11,154) 
Issuance of common stock upon exercise of stock options48  —  166  —  —  166  
Issuance of common stock under employee stock purchase plan—  —  —  —  —  —  
Issuance of common stock for vested restricted stock units42  —  —  —  —  —  
Tax withholding related to vesting of restricted stock units(13) —  (82) —  —  (82) 
Stock-based compensation costs—  —  3,388  —  —  3,388  
Balances at March 31, 201946,455  $116  $568,194  $(4,189) $(411,563) $152,558  

See accompanying Notes to Condensed Consolidated Financial Statements.


NEOPHOTONICS CORPORATION
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (continued) 
7
Nine Months Ended September 30, 2019Common stock Additional paid-in capital Accumulated other comprehensive loss Accumulated deficit Total stockholders’ equity
(In thousands)Shares Amount    
Balances at December 31, 201846,378
 $116
 $564,722
 $(7,126) $(397,472) $160,240
Comprehensive loss
 
 
 (3,468) (19,145) (22,613)
Offering costs
 
 (46) 
 
 (46)
Issuance of common stock in exchange for research and development services276
 1
 1,499
 
 
 1,500
Issuance of common stock upon exercise of stock options265
 
 969
 
 
 969
Issuance of common stock under employee stock purchase plan254
 1
 1,234
 
 
 1,235
Issuance of common stock for vested restricted stock units996
 2
 (2) 
 
 
Tax withholding related to vesting of restricted stock units(152) 
 (705) 
 
 (705)
Stock-based compensation costs
 
 9,417
 
 
 9,417
Balances at September 30, 201948,017
 $120
 $577,088
 $(10,594) $(416,617) $149,997

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Nine Months Ended September 30, 2018Common stock Additional paid-in capital Accumulated other comprehensive income (loss) Accumulated deficit Total stockholders’ equity
(In thousands)Shares Amount    
Balances at December 31, 201744,219
 $111
 $545,953
 $398
 $(352,011) $194,451
Impact of adoption of new accounting standard ASU 2016-16
 
 
 
 (1,824) (1,824)
Comprehensive loss
 
 
 (7,967) (36,908) (44,875)
Issuance of common stock upon exercise of stock options591
 1
 2,562
 
 
 2,563
Issuance of common stock under employee stock purchase plan234
 1
 1,242
 
 
 1,243
Issuance of common stock for vested restricted stock units916
 2
 (2) 
 
 
Tax withholding related to vesting of restricted stock units(120) 
 (747) 
 
 (747)
Stock-based compensation costs
 
 10,363
 
 
 10,363
Balances at September 30, 201845,840
 $115
 $559,371
 $(7,569) $(390,743) $161,174

See accompanying Notes to Condensed Consolidated Financial Statements.


NEOPHOTONICS CORPORATION
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited)
 
 Three Months Ended
March 31,
 
(In thousands)20202019
Cash flows from operating activities  
Net income (loss)$6,307  $(14,091) 
Adjustments to reconcile net loss to net cash provided by operating activities:      
Depreciation and amortization6,674  8,851  
Stock-based compensation expense2,518  3,338  
Deferred taxes1,214  —  
Others86  109  
Loss (gain) on sale of assets and other write-offs(25) 85  
Write-down of inventories3,011  764  
Amortization of operating lease right-of-use assets462  432  
Foreign currency remeasurement(1,118) 1,818  
Change in assets and liabilities:      
Accounts receivable7,209  9,675  
Inventories(2,699) (1,654) 
Prepaid expenses and other assets(469) 2,804  
Accounts payable523  (1,232) 
Accrued and other liabilities1,233  (2,200) 
Net cash provided by operating activities24,926  8,699  
Cash flows from investing activities      
Purchase of property, plant and equipment(2,578) (3,600) 
Proceeds from sale of property, plant and equipment and other assets109   
Purchase of marketable securities(24) (43) 
Net cash used in investing activities(2,493) (3,639) 
Cash flows from financing activities      
Proceeds from exercise of stock options and issuance of stock under ESPP231  157  
Tax withholding on restricted stock units(219) (82) 
Proceeds from bank loans, net of debt issuance costs—  5,000  
Repayment of bank loans(1,772) (5,764) 
Repayment of notes payable—  (2,559) 
Repayment of finance lease liabilities(21) (33) 
Net cash used in financing activities(1,781) (3,281) 
Effect of exchange rates on cash, cash equivalents and restricted cash(254) 353  
Net increase in cash, cash equivalents and restricted cash20,398  2,132  
Cash, cash equivalents and restricted cash at the beginning of the period81,439  69,238  
Cash, cash equivalents and restricted cash at the end of the period$101,837  $71,370  
Supplemental disclosure of non-cash investing and financing activities:      
Unpaid property, plant and equipment in accounts payable$1,130  $1,887  
 Nine Months Ended
September 30,
 
(In thousands)2019 2018
Cash flows from operating activities   
Net loss$(19,145) $(36,908)
Adjustments to reconcile net loss to net cash provided by operating activities:   
Depreciation and amortization23,956
 23,551
Stock-based compensation expense9,294
 10,527
Deferred taxes
 (42)
Others333
 327
Loss (gain) on sale of assets and other write-offs(693) 304
Loss on foreign currency hedges
 2,220
Allowance for doubtful accounts(17) (144)
Write-down of inventories6,750
 3,200
Amortization of operating lease right-of-use assets1,320
 
Foreign currency remeasurement(2,534) (4,192)
Issuance of common stock in exchange for research and development services1,500
 
Change in assets and liabilities, net of effects of asset sale:   
Accounts receivable9,462
 519
Inventories(4,049) 5,482
Prepaid expenses and other assets1,978
 5,957
Accounts payable(1,096) (4,958)
Accrued and other liabilities(8,670) 3,154
Net cash provided by operating activities18,389
 8,997
Cash flows from investing activities   
Purchase of property, plant and equipment(6,247) (14,377)
Proceeds from sale of property, plant and equipment and other assets2,138
 32
Purchase of marketable securities(126) (880)
Proceeds from sale of marketable securities
 5,000
Proceeds from maturity of marketable securities
 750
Settlement of foreign currency hedges
 (1,776)
Net cash used in investing activities(4,235) (11,251)
Cash flows from financing activities   
Proceeds from exercise of stock options and issuance of stock under ESPP2,204
 3,801
Offering costs(46) 
Tax withholding on restricted stock units(705) (747)
Proceeds from bank loans, net of debt issuance costs5,000
 29,358
Repayment of bank loans(12,312) (57,323)
Proceeds from issuance of notes payable
 4,795
Repayment of notes payable(4,806) (2,568)
Repayment of finance lease liabilities(60) 
Proceeds from government grants
 1,228
Net cash used in financing activities(10,725) (21,456)
Effect of exchange rates on cash, cash equivalents and restricted cash(444) (560)
Net increase (decrease) in cash, cash equivalents and restricted cash2,985
 (24,270)
Cash, cash equivalents and restricted cash at the beginning of the period69,238
 81,564
Cash, cash equivalents and restricted cash at the end of the period$72,223
 $57,294
Supplemental disclosure of non-cash investing and financing activities:   
Decrease (increase) in unpaid property, plant and equipment$(1,278) $8,916

See accompanying Notes to Condensed Consolidated Financial Statements.

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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements
(Unaudited)



Note 1. Basis of presentation and significant accounting policies
Basis of Presentation and Consolidation
The condensed consolidated financial statements of NeoPhotonics Corporation (“NeoPhotonics” or the “Company”) as of September 30, 2019March 31, 2020 and for the three and nine months ended September 30,March 31, 2020 and 2019, and 2018, have been prepared in accordance with the instructions on Form 10-Q pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). In accordance with those rules and regulations, the Company has omitted certain information and notes normally provided in the Company’s annual consolidated financial statements. In the opinion of management, the condensed consolidated financial statements contain all adjustments, consisting only of normal recurring items, except as otherwise noted, necessary for the fair presentation of the Company’s financial position and results of operations for the interim periods. The year-end condensed consolidated balance sheet data was derived from audited consolidated financial statements, but does not include all disclosures required by U.S. generally accepted accounting principles (“U.S. GAAP”). These condensed consolidated financial statements should be read in conjunction with the Consolidated Financial Statements and Notes thereto included in the Company’s Annual Report on Form 10-K10-K/A for the fiscal year ended December 31, 2018.2019. The results of operations for the three and nine months ended September 30, 2019March 31, 2020 are not necessarily indicative of the results expected for the entire fiscal year. All intercompany accounts and transactions have been eliminated.
Going Concern
Accounting Standards Update (“ASU”) No. 2014-15, Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern, requires an entity to disclose information about its potential inability to continue as a going concern when conditions and events indicate that it is probable that the entity may be unable to meet its obligations as they become due within one year. Management has assessed the Company’s ability to continue as a going concern within one year of the filing date of this Quarterly Report on Form 10-Q with the SEC in November 2019. The accompanying unaudited condensed consolidated financial statements have been prepared assuming that the Company will continue as a going concern, which contemplates the realization of assets and satisfaction of liabilities in the normal course of business.
As of September 30, 2019, the Company’s working capital was $113.9 million, including available cash, cash equivalents, short-term investments and restricted cash of approximately $79.8 million. In the first nine months of 2019, the Company had operating losses of $18.9 million and net cash provided by operations of $18.4 million. The Company had an accumulated deficit of approximately $416.6 million as of September 30, 2019.
In September 2017, the Company entered into a revolving line of credit agreement with Wells Fargo Bank, National Association ("Wells Fargo") which provides for borrowings under an accounts receivable based formula up to a maximum of $50.0 million. As of September 30, 2019, $32.0 million was outstanding under this line. The remaining borrowing capacity as of September 30, 2019 was $12.4 million, of which $5.0 million is required to be maintained as unused borrowing capacity. Borrowings under the Wells Fargo line are not due until June 30, 2022 as long as the borrowing base is not less than the outstanding amount (Refer to Note 9). Additionally, the Company had $3.1 million of current portion of long-term debt as of September 30, 2019, which it plans to pay out of its existing available cash.
On May 16, 2019, the U.S. Commerce Department's Bureau of Industry and Security ("BIS") added Huawei and certain affiliates (collectively "Huawei") to the BIS Entity List ("Entity List"), with an effective date of May 21, 2019. This denies Huawei the ability to purchase products, software and technology that are subject to U.S. Export Administration Regulations (EAR). As Huawei has been the Company’s largest customer in recent quarters, this has a material impact on the forecasted revenue and profitability for the Company. To adjust to the revised forecast, the Company has adjusted capital expenditures, operating expenditures, project plans and incoming materials for changing demand levels. The Company has implemented changes to mitigate risks associated with the Entity List and will continue to implement actions to improve cash flow and profitability.
The Company operates in an industry that makes its prospects difficult to evaluate with certainty. Future changes in China market demand or changes to the Company’s forecasts could adversely affect the Company’s results of operations, financial position or cash flows. As a result, the Company may need to increase borrowing on existing credit lines or raise additional debt or equity capital to fund its operations. Any additional debt arrangements may likely require regular interest and principal payments which could adversely affect the Company’s operations. There can be no assurance that additional debt or equity capital will be available on acceptable terms, or at all.

10

NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

The Company currently believes it will have sufficient resources to fund its currently planned operations and expenditures over the next twelve months without additional financing or other actions. In addition, the Company believes there are a number of ongoing and potential actions that may further strengthen its projected cash and projected financial position.
Certain Significant Risks and Uncertainties
The Company operates in a dynamic industry and, accordingly, can be affected by a variety of factors. For example, any of the following areas could have a negative effect on the Company in terms of its future financial position, results of operations or cash flows: the general state of the U.S., China and world economies; the highly cyclical nature of the industries the Company serves; the loss of any of its larger customers; restrictions on the Company's ability to sell to foreign customers;customers due to trade laws, regulations and requirements; disruptions of the supply chain of components needed for its products; ability to obtain additional financing; inability to meet certain debt covenants; fundamental changes in the technology underlying the Company’s products; the hiring, training and retention of key employees; successful and timely completion of product design efforts; and new product design introductions by competitors. The inputs into the Company’s judgments and estimates consider the economic implications of the Covid-19 pandemic, as the Company knows them, on its critical and significant accounting estimates. The extent to which the Covid-19 pandemic may impact its business will depend on future developments, which are highly uncertain and cannot be predicted with confidence, such as the duration of the outbreak, travel restrictions governmental mandates issued to mitigate the spread of the disease, business closures, economic disruptions, and the effectiveness of actions taken to contain and treat the virus. Accordingly, the Company expects the Covid-19 pandemic may have a negative impact on its sales and results of operations, the size and duration of which the Company is currently unable to predict.
Concentration
In the three months ended September 30, 2019,March 31, 2020, Huawei accounted for approximately 37%52% of the Company's total revenue. One other customer was greater than 10% and the Company’s top five customers represented approximately 85% of the Company’s total revenue. In the three months ended September 30, 2018,March 31, 2019, Huawei accounted for approximately 47%49% of the Company's total revenue. One other customer was greater than 10% and the Company’s top five customers represented approximately 89% of the Company’s total revenue. In the nine months ended September 30, 2019, Huawei accounted for approximately 41% of the Company's total revenue. One other customer was greater than 10% and the Company’s top five customers represented approximately 84% of the Company’s total revenue. In the nine months ended September 30, 2018, Huawei accounted for approximately 47% of the Company's total revenue. One other customer was greater than 10% and the Company’s top five customers represented approximately 89%87% of the Company’s total revenue.
As of September 30, 2019March 31, 2020 and December 31, 2018,2019, one and two customers, respectively, each accounted for more than 10% of the Company’s accounts receivable.
Use of Estimates
The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported revenue and expenses during the reporting period. Significant estimates made by management include: the useful lives of property, plant and equipment and intangible assets as well as future cash flows to be generated by those assets; fair values of identifiable assets acquired and liabilities assumed in business combinations; allowances for doubtful accounts; valuation allowances for deferred tax assets; valuation of excess and obsolete inventories; warranty reserves; litigation accrual and recognition of stock-based compensation, among others. Actual results could differ from these estimates.
Leases
9

Table of Contents
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
The Company determines if an arrangement is a lease at inception. Operating leases are included in operating lease right-of-use ("ROU") assets, other current liabilities and operating lease liabilities on the Company's condensed consolidated balance sheets. Finance leases are included in property, plant and equipment, current portion of long-term debt and long-term debt, net of current portion on the condensed consolidated balance sheets.
Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of ourthe Company's leases do not provide an implicit rate, the Company uses an estimate of its incremental borrowing rate based on observed market data and other information available at the lease commencement date. The operating lease ROU assets also include any lease payments made and exclude lease incentives. Lease terms may include options to extend or terminate the lease when it is reasonably certain that the Company will exercise such options. The Company does not record leases on the condensed consolidated balance sheet with a term of one year or less. The Company does not separate lease and non-lease components but rather account for each separate component as a single lease component for all underlying classes of assets. Variable lease payments are expensed as incurred and are not included within the operating lease ROU asset and lease liability calculation. Variable lease payments primarily include reimbursements of costs incurred by lessors for common area maintenance and utilities. Lease expense for minimum operating lease payments is recognized on a straight-line basis over the lease term.

11

NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Accounting Pronouncements Recently Adopted
In February 2016, the Financial Accounting Standards Board ("FASB") issued ASU 2016-2, Leases (Topic 842) (“ASU 2016-2”). ASU 2016-2 introduces a lessee model that requires recognition of assets and liabilities arising from qualified leases on the consolidated balance sheets and consolidated statements of operations and to disclose qualitative and quantitative information about lease transactions. It is effective for interim and annual periods beginning after December 15, 2018. Certain optional practical expedients are allowed. The Company adopted this standard as of January 1, 2019, using the modified retrospective transition method by applying the new standard to all leases existing at the date of initial application and not restating comparative periods. The Company elected the package of practical expedients permitted under the transition guidance, which allowed the Company to carryforward historical lease classification, assessment on whether a contract was or contains a lease, and initial direct costs for any leases that existed prior to January 1, 2019. The Company also elected to combine lease and non-lease components and to keep leases with an initial term of 12 months or less off the condensed consolidated balance sheet.
As a result of adopting Topic 842 on January 1, 2019, the Company recognized operating lease right-of-use assets of $17.3 million and corresponding operating lease liabilities of $20.8 million from existing leases on the Company's condensed consolidated balance sheet. Refer to Note 10 for further details. The adoption of Topic 842 had no impact on the Company's condensed consolidated statement of operations or condensed consolidated statement of cash flows.
There have been no new or material changes in the Company’s significant accounting policies in the nine months ended September 30, 2019, as compared to the significant accounting policies described in its Annual Report on Form 10-K for the year ended December 31, 2018. 
Recent Accounting Pronouncements Not Yet Effective
In January 2017, the FASB issued ASU 2017-4,2017-04, Intangibles-Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment (“ASU 2017-4”2017-04”). This standard amends the goodwill impairment test to compare the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value, up to the total amount of goodwill allocated to that reporting unit. In November 2019, the FASB issued ASU 2017-42019-10, according to which, the new standard is effective prospectively for interim and annual periodssmaller reporting companies (“SRC”) as defined by the SEC, for fiscal years beginning after December 15, 2019. Early adoption is permitted for2022 including interim and annual goodwill impairment tests performedperiods within those fiscal years. The Company early adopted ASU 2017-04 guidance on testing dates after January 1, 2017.2020. The Company is currently evaluating the impact of the adoption of this standard had no material impact on itsthe Company’s consolidated financial statements and related disclosures.
In November 2018, the FASB issued ASU 2018-18, Collaborative Arrangements (Topic 808): Clarifying the Interaction between Topic 808 and Topic 606, which clarifies that certain transactions between participants in a collaborative arrangement should be accounted for under ASC 606 when the counterparty is a customer. In addition, ASU 2018-18 precludes an entity from presenting consideration from a transaction in a collaborative arrangement as revenue from contracts with customers if the counterparty is not a customer for that transaction. This guidance is effective for the Company beginning after December 15, 2019, with early adoption permitted. The Company adopted new guidance on January 1, 2020. The adoption of ASU 2018-08 had no material impact on the Company’s consolidated financial statements and related disclosures.
Recent Accounting Pronouncements Not Yet Effective
In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”). ASU 2016-13 amends existing guidance on the impairment of financial assets and adds an impairment model that is based on expected losses rather than incurred losses and requires an entity to recognize as an allowance its estimate of expected credit losses for its financial assets. An entity will apply this guidance through a cumulative-effect adjustment to retained earnings upon adoption (a modified-retrospective approach) while a prospective transition approach is required for debt securities for which an other-than-temporary impairment had been recognized before the effective date. ItIn November 2019, the FASB issued ASU 2019-10, according to which, the new standard is effective for smaller reporting companies (“SRC”) as defined by the Company’s annual and interim reporting periodsSEC, for fiscal years beginning after December 15, 2019. Early adoption is permitted.2022 including interim periods within those fiscal years. The Company is in the process of evaluating the impact and timing of the adoption on its consolidated financial statements and related disclosures.
Note 2. Revenue
Product revenue
The Company develops, manufactures and sells lasers and other high speed optoelectronic products that transmit, receive, modify and switch high speed digital optical signals for communications networks. Revenue is derived primarily from the sale of hardware products. The Company sells its products worldwide, primarily to leading network equipment manufacturers.
10

Table of Contents
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
Revenue recognition
Revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration the Company expects to receive in exchange for those products or services. The Company generally bears all costs, risk of loss or damage and retains title to the goods up to the point of transfer of control of promised products to customers.customer. Revenue related to the sale of consignment inventories at customer vendor managed locations is not recognized until the products are pulled from consignment inventories by customers. In instances where acceptance of the product or solutions is specified by the customer, revenue is deferred until such required acceptance criteria have been met. Shipping and handling costs are included in the cost of goods sold. The Company presents revenue net of sales taxes and any similar assessments.

12

NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Nature of products
Revenue from sale of hardware products is recognized upon transfer of control to the customer. The performance obligation for the sale of hardware products is satisfied at a point in time. The Company has aligned its products in two groups - High Speed Products and Network Products and Solutions. The following presents revenue by product group (in thousands):

Three Months Ended
September 30,
 Nine Months Ended
September 30,
Three Months Ended
March 31,
2019 2018 2019 2018 20202019
High Speed Products$85,366
 $68,519
 $228,393
 $197,362
High Speed Products$89,850  $70,168  
Network Products and Solutions7,026
 13,229
 25,055
 34,074
Network Products and Solutions7,551  9,198  
Total revenue$92,392
 $81,748
 $253,448
 $231,436
Total revenue$97,401  $79,366  

The following table presents the Company's revenue information by geographical region. Revenue is classified based on the ship to location requested by the customer. Such classification recognizes that for many customers, including those in North America or in Europe, designated shipping points are often in China or elsewhere in Asia (in thousands):
 Three Months Ended
September 30,
 Nine Months Ended
September 30,
 2019 2018 2019 2018
China$44,439
 $46,134
 $128,928
 $133,917
Americas22,713
 22,369
 56,138
 52,270
Rest of world25,240
 13,245
 68,382
 45,249
Total revenue$92,392
 $81,748
 $253,448
 $231,436

 Three Months Ended
March 31,
 20202019
China$58,909  $45,547  
Americas18,340  13,829  
Rest of world20,152  19,990  
Total revenue$97,401  $79,366  
Deferred revenue
The Company records deferred revenue when cash payments are received or due in advance of ourthe Company's performance. The increase in theThere were no deferred revenue balance during the three and nine months ended September 30, 2019 was immaterial, offset by approximately $0.2 million and $0.9 million of revenue recognized during the three and nine months ended September 30, 2019, respectively, that was included in the deferred revenue balancebalances as of March 31, 2020 and December 31, 2018. The increase in the deferred revenue balance during the three and nine months ended September 30, 2018 was immaterial, offset by approximately $0.2 million and $0.8 million of revenue recognized during the three and nine months ended September 30, 2018, respectively, that was included in the deferred revenue balance as of December 31, 2017.2019.
Contract assets
TheContract assets are rights to consideration in exchange for goods or services that the Company recordshas transferred to a customer when such right is conditional on something other than the passage of time. Contract assets exclude any amounts presented as an accounts receivable. There were no contract assets when the revenue is recognized but the customer payment is contingent on a future event. The balance of contract assetsbalances as of September 30, 2019March 31, 2020 and December 31, 2018 was immaterial.2019.
Refund liabilities
The Company recordsrecognizes a refund liabilities whenliability if the contract permitsCompany receives consideration from a customer and expects to refund some or all of that consideration to the customer to return the product if certain circumstances arise.customer. The balance of refund liabilities as of September 30, 2019March 31, 2020 and December 31, 2018 was2019 were immaterial.

11
13

NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Note 3. Net income (loss) per share 
The following table sets forth the computation of the basic and diluted net income (loss) per share for the periods indicated (in thousands, except per share amounts): 

Three Months Ended
September 30,
 Nine Months Ended
September 30,
Three Months Ended
March 31,
2019 2018 2019 2018 20202019
Numerator:             Numerator:     
Net income (loss)$2,272
 $(8,125) $(19,145) $(36,908)Net income (loss)$6,307  $(14,091) 
Denominator: 
  
    Denominator:  
Weighted average shares used to compute per share amount: 
  
    Weighted average shares used to compute per share amount:  
Basic47,666
 45,476
 46,949
 44,804
Basic48,615  46,414  
Diluted48,615
 45,476
 46,949
 44,804
Diluted50,617  46,414  
       
Basic net income (loss) per share$0.05
 $(0.18) $(0.41) $(0.82)Basic net income (loss) per share$0.13  $(0.30) 
Diluted net income (loss) per share$0.05
 $(0.18) $(0.41) $(0.82)Diluted net income (loss) per share$0.12  $(0.30) 
The Company has excluded the impact of the following outstanding employee stock options and restricted stock units as well as the shares expected to be issued under its employee stock purchase plan from the computation of diluted net income (loss) per share, as their effect would have been antidilutive (in thousands): 
 Three Months Ended
September 30,
 Nine Months Ended
September 30,
 2019 2018 2019 2018
Employee stock options1,217
 3,405
 2,833
 3,405
Restricted stock units1,037
 2,630
 3,208
 2,630
Market-based restricted stock units641
 665
 641
 665
Employee stock purchase plan172
 174
 182
 174
 3,067
 6,874
 6,864
 6,874

 Three Months Ended
March 31,
20202019
Employee stock options975  3,145  
Restricted stock units42  2,419  
Market-based restricted stock units612  677  
Employee stock purchase plan344  414  
 1,973  6,655  

Note 4. Cash, cash equivalents, short-term investments and restricted cash 
The following table summarizes the Company’s cash, cash equivalents short-term investments and restricted cash (in thousands): 
 September 30,
2019
 December 31,
2018
Cash and cash equivalents:   
Cash$61,396
 $58,185
Cash equivalents
 
Cash and cash equivalents$61,396
 $58,185
Short-term investments$7,607
 $7,481
Restricted cash$10,827
 $11,053
 September 30,
2019
 December 31,
2018
Cash and cash equivalents$61,396
 $58,185
Restricted cash10,827
 11,053
Total cash, cash equivalents and restricted cash shown in the statement of cash flows$72,223
 $69,238


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Table of Contents
NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

 March 31, 2020December 31, 2019
Cash and cash equivalents$90,905  $70,467  
Restricted cash10,932  10,972  
Total cash, cash equivalents and restricted cash shown in the statement of cash flows$101,837  $81,439  
The following table summarizes the Company’s unrealized gains and losses related to its cash equivalents and short-term investments in marketable securities designated as available-for-sale (in thousands): 

As of September 30, 2019 As of December 31, 2018 As of March 31, 2020As of December 31, 2019
Amortized Cost Gross Unrealized Gains Gross Unrealized Loss Fair Value Amortized Cost Gross Unrealized Gains Gross Unrealized Loss Fair Value Amortized CostGross Unrealized GainsGross Unrealized LossFair ValueAmortized CostGross Unrealized GainsGross Unrealized LossFair Value
Marketable securities:               Marketable securities:        
Money market funds$7,607
 $
 $
 $7,607
 $7,481
 $
 $
 $7,481
Money market funds$7,662  $—  $—  $7,662  $7,638  $—  $—  $7,638  
Reported as:               Reported as:                        
Short-term investments      $7,607
       $7,481
Short-term investments$7,662  $7,638  
12

Table of Contents
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
As of September 30, 2019March 31, 2020 and December 31, 2018,2019, maturities of marketable securities were less than 1 year. There were no realized gains and losses on the sale of marketable securities during the three and nine months ended September 30, 2019March 31, 2020 and 2018.2019. The Company did 0t recognize any impairment losses on its marketable securities during the three and nine months ended September 30, 2019March 31, 2020 or 2018.2019. As of September 30, 2019,March 31, 2020, the Company did 0t have any investments in marketable securities that were in an unrealized loss position for a period in excess of 12 months.
Note 5. Fair value disclosures
Assets and Liabilities Measured at Fair Value on a Recurring Basis
The following table presents the Company's assets and liabilities that are measured at fair value on a recurring basis (in thousands):  

As of September 30, 2019 As of December 31, 2018 As of March 31, 2020As of December 31, 2019
Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 Total Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Assets               Assets        
Short-term investments:               Short-term investments:
Money market funds$7,607
 $
 $
 $7,607
 $7,481
 $
 $
 $7,481
Money market funds$7,662  $—  $—  $7,662  $7,638  $—  $—  $7,638  
Other long-term assets:               Other long-term assets:
Mutual funds held in Rabbi Trust$569
 $
 $
 $569
 $465
 $
 $
 $465
Mutual funds held in Rabbi Trust$528  $—  $—  $528  $616  $—  $—  $616  
Liabilities               
Accrued and other current liabilities:               
Rusnano payment derivative$
 $
 $
 $
 $
 $
 $2,000
 $2,000
The Company offers a Non-Qualified Deferred Compensation Plan (“NQDC Plan”) to a select group of its highly compensated employees. The NQDC Plan provides participants the opportunity to defer payment of certain compensation as defined in the NQDC Plan. A Rabbi Trust has been established to fund the NQDC Plan obligation, which was fully funded at September 30, 2019.March 31, 2020. The assets held by the Rabbi Trust are substantially in the form of exchange traded mutual funds and are included in the Company’s other long-term assets on its condensed consolidated balance sheets as of September 30, 2019March 31, 2020 and December 31, 2018.2019.
There were no liabilities that are measured at fair value on a recurring basis as of March 31, 2020.
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
As of September 30, 2019March 31, 2020 and December 31, 20182019 the Company had 0 assets or liabilities required to be measured at fair value on a nonrecurring basis. 
Assets and Liabilities Not Measured at Fair Value 
The carrying values of accounts receivable, accounts payable notes payable and short-term borrowings approximate their fair values due to the short-term nature and liquidity of these financial instruments.

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Table of Contents
NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

The estimated fair value of the Company's long-term debt approximated its carrying value as of September 30, 2019 and December 31, 2018, as the interest rates approximated rates currently available to the Company on the issuance of liabilities with a similar maturity. This estimate is considered to be a Level 2 fair value measurement.  
Note 6. Asset Sale
NeoRussia
In December 2018, the Company entered into an agreement with Joint Stock Company Rusnano, a related party, for Joint Stock Company Rusnano group to purchase the 100% interest in the operations of NeoPhotonics Corporation, LLC, the Company's manufacturing operations in Russia. In 2018, the Company recorded additional restructuring expense of $1.6 million related to these operations, bringing the total amount accrued for the Rusnano payment derivative to $2.0 million.
As of December 31, 2018, the Company hashad recorded assets with a carrying value of $3.0 million as held for sale, consisting primarily of $2.5 million of property, plant and equipment and $0.5 million of prepaid expenses and other current assets. The estimated fair value less direct costs of sale approximates the related carrying value.sale. The balance for liabilities held for sale as of December 31, 2018 was immaterial and was primarily included in accrued and other current liabilities.immaterial.
In April 2019, the Company completed the sale of 100% interest in the operations of NeoPhotonics Corporation, LLC, the Company's manufacturing operations in Russia to Joint Stock Company Rusnano, a related party. In connection with the sale, the Company received $2.0 million in cash, settled the $2.0 million exit fee and recognized a gain on asset sale of $0.8$0.9 million within operating expenses during the nine months ended September 30, 2019.
13

Table of Contents
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
APAT
In January 2017, the Company completed the sale of its Low Speed Transceiver Products’ assets to APAT Optoelectronics Components Co., Ltd. ("APAT OE") pursuant to an asset purchase agreement dated December 14, 2016 for consideration of approximately $25.0 million (in RMB equivalent) plus approximately $1.4 million (in RMB equivalent) post-closing transaction service fees to be received under a transition services agreement with APAT OE in which the Company provided short-term manufacturing and other specific services pursuant to such agreement. The related supply chain purchase commitments and value-added tax obligations were assumed by APAT OE. The receivable and payable balances related to the transition service arrangement were $11.6$11.7 million and $11.8 million, respectively, as of September 30, 2019.March 31, 2020.
As of December 31, 2016, the balance in assets held for sale was $13.9 million, consisting of $13.1 million in inventories and $0.8 million in property, plant and equipment. As a result of post-closing adjustments, total consideration was reduced by approximately $3.4 million for inventory. In addition, an immaterial amount of property, plant and equipment was reclassified from assets held for sale. Upon closing, assets sold to APAT OE were approximately $12.8 million, including approximately $12.1 million in inventories and $0.7 million in property, plant and equipment. The adjusted consideration received of approximately $21.6 million was subject to further reduction of up to $10.0 million for any indemnification claims. As of September 30, 2019,March 31, 2020, the Company has a reserve of $6.5 million within accrued and other current liabilities for warranty claims. The indemnification warranties expired on June 30, 2017. The Company recognized a $2.2 million gain on the sale of these assets within operating loss in 2017.
All of the Low Speed Transceiver Products were part of the Company’s Network Products and SolutionSolutions product group and included the low speed optical network (PON) products for which the end-of-life plan was announced in mid-2016.

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Table of Contents
NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Note 7. Balance sheet components 
Accounts receivable, net
Accounts receivable, net, consists of the following (in thousands):

September 30, 2019 December 31, 2018 March 31, 2020December 31, 2019
Accounts receivable$65,096
 $74,343
Accounts receivable$61,914  $68,988  
Trade notes receivable400
 672
Trade notes receivable—  156  
Allowance for doubtful accounts(251) (264)Allowance for doubtful accounts(251) (254) 
$65,245
 $74,751
$61,663  $68,890  
 
Inventories net
Inventories net, consist of the following (in thousands): 

September 30, 2019 December 31, 2018 March 31, 2020December 31, 2019
Raw materials$23,316
 $27,806
Raw materials$21,987  $19,350  
Work in process15,485
 13,044
Work in process13,957  12,262  
Finished goods(1)
9,867
 11,309
Finished goods(1)
10,202  15,318  
$48,668
 $52,159
$46,146  $46,930  


(1)Finished goods inventory at customer vendor managed inventory locations was $3.1 million and $5.6 million as of September 30, 2019 and December 31, 2018, respectively.
(1)Finished goods inventory at customer vendor managed inventory locations was $1.5 million and $1.6 million as of March 31, 2020 and December 31, 2019, respectively.
Prepaid expenses and other current assets
Prepaid expenses and other current assets consist of the following (in thousands):
 September 30, 2019 December 31, 2018
Prepaid taxes and taxes receivable$5,523
 $5,461
Transition services agreement receivable (refer to Note 6)11,609
 11,999
Deposits and other prepaid expenses2,714
 3,020
Other receivable4,075
 6,125
 $23,921
 $26,605

Property, plant and equipment, net
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Table of Contents
Purchases of property, plant and equipment unpaid as of September 30, 2019 and September 30, 2018 was $2.8 million and $1.1 million, respectively.Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
 March 31, 2020December 31, 2019
Transition services agreement receivable (refer to Note 6)$11,680  $11,861  
Prepaid taxes and taxes receivable3,569  6,979  
Deposits and other prepaid expenses2,620  2,512  
Other receivable8,309  4,499  
 $26,178  $25,851  
Purchased intangible assets 
Purchased intangible assets consist of the following (in thousands): 
 September 30, 2019 December 31, 2018
 
Gross
Assets
 
Accumulated
Amortization
 
Net
Assets
 Gross
Assets
 Accumulated
Amortization
 Net
Assets
Technology and patents$36,609
 $(35,107) $1,502
 $37,029
 $(34,995) $2,034
Customer relationships14,970
 (14,970) 
 15,146
 (15,026) 120
Leasehold interest1,193
 (380) 813
 1,238
 (374) 864
 $52,772
 $(50,457) $2,315
 $53,413
 $(50,395) $3,018


 March 31, 2020December 31, 2019
 Gross
Assets
Accumulated
Amortization
Net
Assets
Gross
Assets
Accumulated
Amortization
Net
Assets
Technology and patents$36,685  $(35,537) $1,148  $36,880  $(35,555) $1,325  
Customer relationships15,004  (15,004) —  15,089  (15,089) —  
Leasehold interest1,201  (396) 805  1,222  (396) 826  
 $52,890  $(50,937) $1,953  $53,191  $(51,040) $2,151  
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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Amortization expense relating to technology and patents and the leasehold interest intangible assets is included within cost of goods sold and customer relationships within operating expenses. The following table presents details of the amortization expense of the Company’s purchased intangible assets as reported in the condensed consolidated statements of operations (in thousands):

Three Months Ended
September 30,
 Nine Months Ended
September 30,
Three Months Ended
March 31,
2019 2018 2019 2018 20202019
Cost of goods sold$185
 $185
 $553
 $572
Cost of goods sold$184  $184  
Operating expenses
 118
 119
 357
Operating expenses—  119  
Total$185
 $303
 $672
 $929
Total$184  $303  
The estimated future amortization expense of purchased intangible assets as of September 30, 2019,March 31, 2020, is as follows (in thousands): 

2019 (remaining three months)$184
2020736
2020 (remaining nine months)2020 (remaining nine months)$539  
2021644
2021644  
202227
202227  
202327
202327  
2024202427  
Thereafter697
Thereafter689  
$2,315
$1,953  
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Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
Accrued and other current liabilities
Accrued and other current liabilities consist of the following (in thousands): 
 September 30, 2019 December 31, 2018
Transition services agreement payables (refer to Note 6)$11,757
 $11,769
Employee-related14,111
 14,899
Asset sale related contingent liabilities (refer to Note 6)6,505
 6,751
Operating lease liabilities, current2,067
 
Accrued warranty749
 672
Deferred revenue, current115
 1,114
Income and other taxes payable1,464
 1,580
Rusnano payment derivative
 2,000
Accrued litigation settlement150
 2,645
Other accrued expenses5,496
 8,858
 $42,414
 $50,288

 March 31, 2020December 31, 2019
Employee-related$19,706  $17,877  
Transition services agreement payables (refer to Note 6)11,759  11,765  
Asset sale related warranty claims (refer to Note 6)6,549  6,664  
Operating lease liabilities, current2,119  2,086  
Income and other taxes payable1,676  2,036  
Accrued warranty749  712  
Other accrued expenses6,152  6,341  
 $48,710  $47,481  
Warranty Accrualaccrual
The table below summarizes the movement in the warranty accrual, which is included in accrued and other current liabilities (in thousands):
 Three Months Ended
September 30,
 Nine Months Ended
September 30,
 2019 2018 2019 2018
Beginning balance$751
 $1,592
 $672
 $1,334
Warranty accruals198
 (42) 674
 487
Settlements(200) (351) (597) (622)
Ending balance$749
 $1,199
 $749
 $1,199


 Three Months Ended
March 31,
 20202019
Beginning balance$712  $672  
Warranty accruals225  315  
Settlements(188) (248) 
Ending balance$749  $739  
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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Other noncurrent liabilities 
Other noncurrent liabilities consist of the following (in thousands): 
 September 30, 2019 December 31, 2018
Pension and other employee-related$4,121
 $4,529
Deferred rent
 3,058
Government grant2,075
 2,108
Capital lease obligation
 282
Asset retirement obligations and other3,552
 3,522
 $9,748
 $13,499
Note 8. Restructuring
In 2017, the Company initiated restructuring actions in order to focus on key growth initiatives and to move towards a lower break even revenue level through lower operating expenses and manufacturing cost reductions. Actions included a reduction in force, facilities consolidation and certain asset-related adjustments. The Company recorded restructuring charges of $0.3 million within operating expenses in the nine months ended September 30, 2019 for costs related to the sale of NeoPhotonics Russia. The Company recorded $0.1 million and $0.2 million in restructuring charges within cost of goods sold in the three and nine months ended September 30, 2018 and $1.1 million and $1.8 million in restructuring charges within operating expenses in the three and nine months ended September 30, 2018, respectively. Restructuring activities for the nine months ended September 30, 2019 were as follows (in thousands):
 Employee Severance Facilities Consolidation Others Total
Restructuring obligations December 31, 2018$436
 $769
 $1,611
 $2,816
Charges88
 
 173
 261
Cash payments(524) (130) (171) (825)
Settlement of Rusnano payment derivative
 
 (1,611) (1,611)
Adoption of ASC 842
 (620) 
 (620)
Restructuring obligations September 30, 2019$
 $19
 $2
 $21

The current restructuring liability reported in accrued and other current liabilities in the condensed consolidated balance sheets as of September 30, 2019 was immaterial.
 March 31, 2020December 31, 2019
Pension and other employee-related$3,958  $4,125  
Asset retirement obligations3,756  3,529  
Deferred income tax liabilities1,733  528  
Government grant1,172 ��1,380  
Other51  52  
 $10,670  $9,614  

19
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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Note 9.8. Debt 
The table below summarizes the carrying amounts and weighted average interest rates of the Company’s debt (in thousands, except percentages):  
 March 31, 2020December 31, 2019
 Carrying
Amount
Interest
Rate
Carrying
Amount
Interest
Rate
Long-term debt, current and noncurrent:        
Borrowing under Wells Fargo Credit Facility$26,596  2.93 %$27,329  3.72 %
Mitsubishi Bank loans8,803  1.05% -1.45%9,255  1.04%-1.44%
Mitsubishi Bank and Yamanashi Chuo Bank loan5,616  1.07 %5,868  1.07 %
Total long-term debt41,015  42,452  
Finance lease liability254  275  
Unaccreted discount and issuance costs(412)  (446)  
Total long-term debt, net of unaccreted discount and issuance costs$40,857   $42,281   
Reported as:        
Current portion of long-term debt$3,066   $3,044   
Long-term debt, net of current portion37,791   39,237   
Total long-term debt, net of unaccreted discount and issuance costs$40,857   $42,281   
 September 30, 2019 December 31, 2018
 
Carrying
Amount
 
Interest
Rate
 Carrying
Amount
 Interest
Rate
Notes payable to suppliers$
 
 $4,795
 
Total notes payable and short-term borrowing$
  
 $4,795
  
        
Long-term debt, current and noncurrent: 
  
  
  
Borrowing under Wells Fargo Credit Facility$32,016
 3.90% $35,961
 4.41%
Mitsubishi Bank loans9,808
 1.04% -1.44%
 11,094
 1.05% -1.45%
Mitsubishi Bank and Yamanashi Chou Bank loan6,185
 1.07% 6,898
 1.10%
Finance lease liability303
   
  
Unaccreted discount and issuance costs(487)  
 (602)  
Total long-term debt, net of unaccreted discount and issuance costs$47,825
  
 $53,351
  
Reported as: 
  
  
  
Current portion of long-term debt$3,054
  
 $2,897
  
Long-term debt, net of current portion44,771
  
 50,454
  
Total long-term debt, net of unaccreted discount and issuance costs$47,825
  
 $53,351
  
Notes payable and short-term borrowing 
The Company regularly issues notes payable to its suppliers in China. These notes are supported by non-interest bearing bank acceptance drafts issued under the Company’s existing line of credit facilities and are due three to six months after issuance. As a condition of the notes payable arrangements, the Company is required to keep a compensating balance at the issuing banks that is a percentage of the total notes payable balance until the amounts are settled. As of September 30, 2019,March 31, 2020, the Company’s subsidiary in China had 2 line of credit facilities with the following banking institutions:
Under the first line of credit facility with Shanghai Pudong Development Bank, the Company can borrow up to RMB 120.0 million ($16.816.9 million) for short-term loans at varying interest rates, or up to approximately RMB 240.0 million ($33.633.9 million) for bank acceptance drafts (with up to 50% compensating balance requirement). This line of credit facility expires in November 2021. In November 2017, the Company borrowed $17.0 million under this line which bore interest at 4.1%. The amount of $17.0 million under this line was repaid in May 2018.
Under the second line of credit facility with Shanghai Pudong Development Bank, which expires in November 2021, the Company can borrow up to RMB 30.0 million ($4.2 million) for short-term loans at varying interest rates, or up to approximately RMB 60.0 million ($8.4
Under the second line of credit facility with Shanghai Pudong Development Bank, which expires in November 2021, the Company can borrow up to RMB 30.0 million ($4.2 million) for short-term loans at varying interest rates, or up to approximately RMB 60.0 million ($8.5 million) for bank acceptance drafts (with up to 50% compensating balance requirement).
In December 2017, the Company's subsidiary in China entered into a third line of credit facility with China CITIC Bank in China, which expired in November 2018. The purpose of the credit facility is to provide short-term borrowings, bank acceptance drafts and letters of credits. Under this credit facility, the Company could borrow up to approximately RMB 250 million ($35.0 million) at varying interest rates, or up to approximately RMB 390.6 million ($54.7 million) for bank acceptance drafts (with up to 36% compensating balance requirement). In February 2018, the Company borrowed $17.0 million under this line which bore interest at 4.7%. The amount of $17.0 million under this line was repaid in August 2018.
The Company had a line of credit facility previously with China CITIC Bank in China which expired during September 2017. In July 2017, the Company borrowed $17.0 million under this line which bore interest at LIBOR plus 2.55%. The amount of $17.0 million under this line was repaid to CITIC Bank in January 2018.

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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Under these line of credit facilities, the non-interest bearing bank acceptance drafts issued in connection with the Company’s notes payable to its suppliers in China, had 0 outstanding balance at September 30, 2019March 31, 2020 and an outstanding balance of $4.8 million as of December 31, 2018.2019.
As of March 31, 2020 and December 31, 2018,2019, compensating balances relating to these bank acceptance drafts and letters of credit issued to suppliers and the Company’s subsidiaries totaled $2.6$2.5 million. Compensating balances are classified as restricted cash on the Company’s condensed consolidated balance sheets.
In China, when there is a case pending in judicial court, banks may choose to limit borrowing against existing credit lines, regardless of the legitimacy of the case. The Company has a dispute pending with APAT OE in judicial court (Refer to Note 12)11). The Company has repaid funds borrowed and does not expect to make any additional draws against its credit facilities in China until this matter is resolved.
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Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
Credit facilities
In September 2017, the Company entered into a revolving line of credit agreement with Wells Fargo Bank, National Association ("Wells Fargo") as the administrative agent for a lender group (the "Wells Fargo Credit Facility" or "Credit Facility").
The Wells Fargo Credit Facility provides for borrowings equal to the lower of (a) a maximum revolver amount of $50.0 million, or (b) an amount equal to 80% - 85% of eligible accounts receivable plus 100% of qualified cash balances up to $15.0 million, less certain discretionary adjustments ("Borrowing Base"). The maximum revolver amount may be increased by up to $25.0 million, subject to certain conditions. At closing, $50.0 million was available, of which $30.0 million was drawn. The Company used $20.0 million of this amount to pay the principal and interest due under the Comerica Bank Credit Facility, which has since been terminated.
The Credit Facility matures on June 30, 2022 and borrowings bear interest at an interest rate option of either (a) the LIBOR rate, plus an applicable margin ranging from 1.50% to 1.75% per annum, or (b) the prime lending rate, plus an applicable margin ranging from 0.50% to 0.75% per annum. The Company is also required to pay a commitment fee equal to 0.25% of the unused portion of the Credit Facility.
The Credit Facility agreement ("Agreement") requires prepayment of the borrowings to the extent the outstanding balance is greater than the lesser of (a) the most recently calculated Borrowing Base, or (b) the maximum revolver amount. The Company is required to maintain a combination of certain defined cash balances and unused borrowing capacity under the Credit Facility of at least $20.0 million, of which at least $5.0 million shall include unused borrowing capacity. The Agreement also restricts the Company's ability to dispose of assets, permit change in control, merge or consolidate, make acquisitions, incur indebtedness, grant liens, make investments and make certain restricted payments. Borrowings under the Credit Facility are collateralized by substantially all of the Company's assets.
On June 14, 2019, the Company entered into a First Amendment to the Credit Facility (the "Amended Credit Facility"). The Amendment removes Huawei from the list of “Eligible Accounts” as a basis for the Company’s borrowing while Huawei is on the U.S. Bureau of Industry and Security (“BIS”) “Entity List”. During the period of time while Huawei remains on the Entity List, the concentration limits of certain other customers are increased to partially offset the removal of Huawei. Additionally, until Huawei is no longer on the Entity List, the Company is required to maintain a temporary combination of certain defined unrestricted cash and unused borrowing capacity under the Credit Facility of at least $30.0 million in the U.S. and $40.0 million world-wide, of which at least $5.0 million shall include unused borrowing capacity.
The Company was in compliance with the covenants of this Amended Credit Facility as of September 30,March 31, 2020 and December 31, 2019. As of September 30, 2019,March 31, 2020, the outstanding balance under the Credit Facility was $32.0$26.6 million and the weighted average rate under the LIBOR option was 3.90%2.93%. The remaining borrowing capacity as of September 30, 2019March 31, 2020 was $12.4$7.1 million, of which $5.0 million is required to be maintained as unused borrowing capacity. The Company repaid $5.0 million in January 2019, which was borrowed in December 2018. 
During the three months ended March 31, 2020, $0.3 million of accrued interest was rolled into the principal amount of Wells Fargo Credit Facility.
Mitsubishi Bank loans
On February 25, 2015, the Company entered into certain loan agreements and related agreements with MUFG Bank, Ltd. (the “Mitsubishi Bank”) that provided for (i) a term loan in the aggregate principal amount of 500.0 million JPY ($4.4 million) (the “Term Loan A”) and (ii) a term loan in the aggregate principal amount of 1000000000 JPY (approximately $9.3$9.2 million) (the “Term Loan B” and together with the Term Loan A, the “2015 Mitsubishi Bank Loans”). The 2015 Mitsubishi Bank Loans are

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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

secured by a mortgage on certain real property and buildings owned by the Company’s Japanese subsidiary. Interest on the 2015 Mitsubishi Bank Loans accrues and is paid monthly based upon the annual rate of the monthly Tokyo Interbank Offer Rate (TIBOR) plus 1.40%. The Term Loan A required interest only payments until the maturity date of February 23, 2018, with a lump sum payment of the aggregate principal amount on the maturity date. The Term Loan B requires equal monthly payments of principal equal to 8.3 million JPY (approximately $0.1 million) until the maturity date of February 25, 2025, with a lump sum payment of the balance of 8.4 million JPY (approximately $0.1 million) on the maturity date. Interest on the Term Loan B is accrued based upon monthly TIBOR plus 1.40% and is secured by real estate collateral. In conjunction with the execution of the Bank Loans, the Company paid a loan structuring fee, including consumption tax, of 40.5 million JPY (approximately $0.4 million). The Term Loan A of 500.0 million JPY (approximately $4.4 million) was repaid to the Mitsubishi Bank in January 2018.
The 2015 Mitsubishi Bank Loans contain customary representations and warranties and customary affirmative and negative covenants applicable to the Company’s Japanese subsidiary, including, among other things, restrictions on cessation in business, management, mergers or acquisitions. The 2015 Mitsubishi Bank Loans contain financial covenants relating to
18

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Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
minimum net assets, maximum ordinary loss and a coverage ratio covenant. The Company was in compliance with the related covenants as of September 30, 2019March 31, 2020 and December 31, 2018.2019. Outstanding principal balance for the Mitsubishi Term Loans was 541.7491.7 million JPY (approximately $5.0$4.5 million) as of September 30, 2019.March 31, 2020.
In March 2017, the Company entered into a loan agreement and related agreements with the Mitsubishi Bank for a term loan of 690.0 million JPY (approximately $6.4 million) (the “2017 Mitsubishi Bank Loan”) to acquire manufacturing equipment for its Japanese subsidiary. This loan is secured by the manufacturing equipment owned by the Company's subsidiary in Japan. Interest on the 2017 Mitsubishi Bank Loan is based on the annual rate of the monthly TIBOR rate plus 1.00%. The 2017 Mitsubishi Bank Loan matures on March 29, 2024 and requires monthly interest and principal payments over 72 months commencing in April 2018. The loan contains customary covenants relating to minimum net assets, maximum ordinary loss and a coverage ratio covenant. The Company was in compliance with these covenants as of September 30, 2019.March 31, 2020. The loan was available from March 31, 2017 to March 30, 2018 and 690.0 million JPY (approximately $6.4 million) under this loan was fully drawn in March 2017. Outstanding principal balance for the 2017 Mitsubishi Bank Loan was approximately 517.5460.0 million JPY (approximately $4.8$4.3 million) as of September 30, 2019.March 31, 2020. 
Mitsubishi Bank and Yamanashi ChouChuo Bank loan
In January 2018, the Company entered into a term loan agreement with Mitsubishi Bank and The Yamanashi ChouChuo Bank, Ltd. for a term loan in the aggregate principal amount of 850.0 million JPY (approximately $7.9 million) (the “Term Loan C”). The purpose of the Term Loan C is to obtain machinery for the core parts of the manufacturing line and payments for related expenses by the Company's subsidiary in Japan. The Term Loan C requires no additional security. The Term Loan C was available from January 29, 2018 to January 29, 2025. The full amount of the Term Loan C was drawn in January 2018. Interest on the Term Loan C is based upon the annual rate of the three months TIBOR rate plus 1.00%. The Term Loan C requires quarterly interest payments, along with the principal payments, over 82 months commencing in April 2018. The Term Loan C loan agreement contains customary representations and warranties and customary affirmative and negative covenants applicable to the Japanese Subsidiary, including, among other things, restrictions on cessation in business, management, mergers or acquisitions. The Term Loan C loan agreement contains financial covenants relating to minimum net assets and maximum ordinary loss. The Company was in compliance with these covenants as of September 30, 2019March 31, 2020 and December 31, 2018.2019. Outstanding principal balance for the Mitsubishi Bank and Yamanashi ChouChuo Bank Loan was approximately 667.9607.1 million JPY (approximately $6.2$5.6 million) as of September 30, 2019.March 31, 2020.
As of September 30, 2019,March 31, 2020, maturities of total long-term debt were as follows (in thousands):
2019 (remaining three months)$814
20203,203
20213,210
202235,216
20233,115
Thereafter2,754
 $48,312

2020 (remaining nine months)$2,334  
20213,112  
202229,708  
20233,112  
20242,314  
Thereafter435  
 $41,015  

22
19

NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Note 10.9. Leases 
The Company has operating leases for offices, research and development facilities and manufacturing facilities. Leases have remaining terms of less than one year to eightseven years, some of which include options to extend the leases and some of which may include options to terminate the leases within one year. As of September 30, 2019March 31, 2020 and December 31, 2018,2019, an asset recorded in property, plant and equipment under a finance lease was immaterial.
The components of lease expense were as follows (in thousands):

Three Months Ended
March 31,
Three Months Ended
September 30,
 Nine Months Ended
September 30,
20202019
2019 2019
Operating lease cost$760
 $2,270
Operating lease cost$759  $754  
Variable and short-term lease cost401
 1,062
Variable and short-term lease cost403  348  
Total lease cost$1,161
 $3,332
Total lease cost$1,162  $1,102  
Other information related to leases was as follows (in thousands, except lease term and discount rate):
 Nine Months Ended
September 30,
 2019
Supplemental cash flow information 
Cash paid for amounts included in the measurement of lease liabilities: 
Operating cash flows from operating leases$2,635
Right-of-use assets obtained in exchange for lease obligations: 
Operating leases$136
Weighted average remaining lease term 
Operating leases7.5
Weighted average discount rate 
Operating leases6.4%

Three Months Ended
March 31,
20202019
Supplemental cash flow information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases$718  $835  
Right-of-use assets obtained in exchange for lease obligations:
Operating leases$—  $—  
Weighted average remaining lease term
Operating leases7.2 years7.9 years
Weighted average discount rate
Operating leases6.4 %6.4 %
Future minimum lease payments under non-cancelable leases as of September 30, 2019March 31, 2020 were as follows (in thousands):
 Operating Leases
2019 (excluding the nine months ended September 30, 2019)$891
20203,140
20213,094
20223,091
20233,041
Thereafter11,202
Total future minimum lease payments24,459
Less imputed interest(5,338)
Total$19,121

Operating Leases
2020 (remaining nine months)$2,423  
20213,093  
20223,089  
20233,039  
20242,943  
Thereafter8,266  
Total future minimum lease payments22,853  
Less imputed interest(4,736) 
Total$18,117  
Reported as of September 30, 2019:Operating Leases
Accrued and other current liabilities$2,067
Operating lease liabilities, noncurrent17,054
Total$19,121


Operating LeasesMarch 31, 2020December 31, 2019
Accrued and other current liabilities$2,119  $2,086  
Operating lease liabilities, noncurrent15,998  16,543  
Total$18,117  $18,629  
23
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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

As of December 31, 2018, the future minimum commitments under the Company’s non-cancelable operating leases and capital leases are as follows (in thousands):
 Operating Leases
2019$3,618
20203,113
20213,059
20223,056
20233,049
Thereafter11,437
Total future minimum lease payments$27,332

Note 11.10. Japan pension plan 
The pension liability related to the Company’s Retirement Allowance Plan (“RAP”) in Japan as of September 30, 2019March 31, 2020 was $4.1$3.7 million, of which $0.6$0.3 million was recorded in accrued and other current liabilities and the remainder in other noncurrent liabilities on the Company’s condensed consolidated balance sheet. The pension liability related to the Company’s RAP in Japan as of December 31, 20182019 was $4.3$4.1 million, of which $0.3$0.6 million, was recorded in accrued and other current liabilities and the remainder in other noncurrent liabilities on the Company’s condensed consolidated balance sheet. 
Net periodic pension cost associated with this plan was immaterial in the three and nine months ended September 30, 2019March 31, 2020 and 2018.2019.  
Note 12.11. Commitments and contingencies
Litigation
From time to time, the Company is subject to various claims and legal proceedings, either asserted or unasserted, that arise in the ordinary course of business. The Company accrues for legal contingencies if the Company can estimate the potential liability and if the Company believes it is probable that the case will be ruled against it. If a legal claim for which the Company did not accrue is resolved against it, the Company would record the expense in the period in which the ruling was made. The Company believes that the likelihood of an ultimate amount of liability, if any, for any pending claims of any type (alone or combined) that will materially affect the Company’s financial position, results of operations or cash flows is remote. The ultimate outcome of any litigation is uncertain, however, and unfavorable outcomes could have a material negative impact on the Company’s financial condition and operating results. Regardless of outcome, litigation can have an adverse impact on the Company because of defense costs, negative publicity, diversion of management resources and other factors.
In January 2010, Finisar Corporation, or Finisar (acquired by II-VI, Inc. in September 2019), filed a complaint in the U.S. District Court for the Northern District of California, or the Court, against Source Photonics, Inc., MRV Communications, Inc., Oplink Communications, Inc. and the Company, or collectively, the co-defendants. In the complaint, Finisar alleged infringement of certain of its U.S. patents. In 2010 the Company filed an answer to the complaint and counterclaims, asserting 2 claims of patent infringement and additional claims. The Court dismissed without prejudice all co-defendants (including the Company) except Source Photonics, Inc., on grounds that such claims should have been asserted in 4 separate lawsuits, one against each defendant. This dismissal does not prevent Finisar from bringing a new similar lawsuit against the Company. In 2011 the Company and Finisar agreed to suspend their respective claims and in 2012 the Company and Finisar further agreed to toll their respective claims. While there has been no action on this matter since 2012, the Company is currently unable to predict the outcome of this dispute and therefore cannot determine the likelihood of loss nor estimate a range of possible loss.

In December 2016, the Company was served with a lawsuit filed by Lestina International Ltd. (“Lestina”), in Santa Clara County, CA. The lawsuit is regarding a dispute of approximately $3.0 million related to purchase orders for the Company’s Low Speed Transceiver Products that was soon thereafter sold by the Company to APAT OE in January 2017. The purchase orders in question were included in the asset sale and were assumed liabilities by the purchaser of the business. The parties engaged in extensive negotiations and in January 2019, the parties agreed to a proposed settlement which was placed on the record of the Superior Court of Santa Clara County agreeing that NeoPhotonics Dongguan Co., Ltd. (“NeoDongguan”) (the Company’s wholly owned(a wholly-owned subsidiary of the Company located in China) would pay to Lestina a total of $2.2 million. These payments were

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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

completed in two installments paid in February and June 2019. Upon Lestina's receipt of the final payment in June 2019, Lestina shipped to NeoDongguan the remaining parts from the original purchase orders.

In April 2018, APAT OE filed a lawsuit in the Qianhai Court in Shenzhen, China against NeoPhotonics (China) Co., Ltd. (a wholly-owned subsidiary of the Company located in China) and NeoPhotonics Dongguan Co. Ltd. (collectively "NeoChina") and NeoPhotonics Corporation with a claim of approximately $20.0 million. The lawsuit relates to the sale of the low speed transceiver business to APAT OE from NeoChina. APAT OE claims that the business has been losing money and that APAT OE was not given all of the information about the business they purchased prior to signing the Asset Purchase Agreement. In May 2018, counsel on behalf of NeoChina filed a motion objecting to the jurisdiction, claiming that the proper jurisdiction for any dispute between these parties is the Shenzhen Court of International Arbitration (or the "Arbitration Court") and the proper parties to this dispute are NeoChina and APAT OE, pursuant to the Asset Purchase Agreement signed by APAT OE and NeoChina (or the "APA"). In June 2018 a hearing was held in the Qianhai Court in Shenzhen, China and in August 2018 the Court ruled in favor of APAT OE. In October 2018, a hearing was held in the Intermediate Court of Shenzhen (or the "Intermediate Court") on an appeal which was filed by NeoChina and in November 2018 the Intermediate Court ruled in favor of NeoChina and dismissed in totality the litigation against NeoChina, ruling that arbitration was the proper forum for such dispute resolution between the parties. The litigation continuescontinued against NeoPhotonics Corporation in Qianhai Court and Intermediate Court, where NeoPhotonics Corporation claims that there is no existing contract between APAT OE and
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Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
NeoPhotonics Corporation and therefore there is no basis for litigation. In December 2019, NeoPhotonics Corporation received a notice that the case against NeoPhotonics Corporation had been dismissed in the Qianhai Court in Shenzhen, China. APAT OE has appealed this decision to the Shenzhen Intermediate Court. The Company is unable to predict the outcome of this matter and is not currently aware of the precise amount of the ongoing claim by APAT against the remaining defendant, NeoPhotonics Corporation in this lawsuit.

In December 2018, APAT OE officially filed claims through 2 lawsuits against NeoChina, NeoPhotonics Corporation Limited Hong Kong (or NeoHK), Novel Centennial Limited BVI (or NeoBVI) and NeoPhotonics Corporation (collectively the "defendants") in the Intermediate Court in addition to a pre-trial preservation order. On the same day the Court issued the order to preserve approximately $29.0 million of NeoChina assets, which is the approximate amount of the revised claims by APAT OE against all defendants in the first lawsuit.of the two lawsuits filed in December 2018. In January 2019, there was an additional pre-trial preservation order to preserve approximately $3.8 million of NeoChina assets. The temporary pre-trial preservation order was made simultaneously to the filing of the 2 lawsuits, but the defendants were not served or aware of the lawsuit until later in January 2019. In the first lawsuit, the legal claims are the same as the ones APAT OE filed in April 2018 in Qianhai Court in Shenzhen, China (as described above). The difference is that instead of distributing claims in separate cases, APAT OE has combined its claims to one single case and added the additional defendants of NeoHK and NeoBVI and increased the claimed damages to approximately $29.0 million. In the second lawsuit, the claims are new and related to the alleged new issues related to a contract manufacturer located in the Philippines and claiming damages in the amount of RMB 50.9 million (approximately $7.6 million). APAT OE claims that the defendants have interfered with APAT OE’s ability to sign an engagement agreement with the contract manufacturer. The defendants believe this dispute is related to and should be under the jurisdiction that was agreed to in the APA, and therefore should be properly transferred to the Shenzhen Court of International Arbitration. In March 2019

On April 30, 2020, the Shenzhen Intermediate Court assigned a judge forruled in both lawsuits that the 2 lawsuits, butCourt has no hearing datejurisdiction over disputes between Neo China and APAT OE and that any disputes between those parties should be transferred to the Shenzhen Court of International Arbitration. Additionally, the Court ruled that because there is no arbitration award against Neo China, the Court has been set yet. Theno jurisdiction over NeoHK, NeoBVI, or NeoPhotonics Corporation. These rulings are subject to appeal by APAT OE and the Company is unable to predict the outcome of this matter.
In February 2019, NeoChina filed a case in the Qianhai Court in Shenzhen, China against APAT OE and Zhejiang Merchants Property Insurance Company for losses and damages caused to NeoChina from APAT OE’s previously granted property preservation. The claim iswas for approximately RMB 350,000 (approximately $52,000) in damages and legal fees and was heard in May 2019. In OctoberDecember 2019 NeoChina received a rulingfinal judgment in favor of the defendants but has filed an appeal for which a hearing date has not yet been scheduled. The Company is unable to predict the outcome of this matter.defendants.
APAT Arbitration
In June 2017, APAT OE filed an arbitration claim in the Shenzhen Court of International Arbitration (or the Arbitration Court) against NeoChina (collectively both of the Company’s China subsidiaries), claiming that approximately $1.5 million of the inventory that was sold to APAT OE by NeoChina in an Asset Purchase Agreement executed between the parties on December 14, 2016 was aged inventory and of no value. The arbitration was heard in the Arbitration Court in August 2017. In October 2017, NeoChina was informed that it was successful in the defense of the dispute and was also successful in its counterclaim against APAT OE. NeoChina was awarded approximately RMB 700,000 (approximately $110,000) in compensatory damages and attorney fees as well as having the approximately $1.5 million claim against it rejected in its entirety.
In April 2018, APAT OE filed a Notice of Judicial Review of the arbitration judgment in the Shenzhen Intermediate Court in Shenzhen, China. The case was heard in May 2018, and NeoChina was successful in disputing the Judicial Review, which means that the arbitration judgment against APAT OE and in favor of NeoChina stands.

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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

In July 2018, NeoChina applied together to the Shenzhen Intermediate Court for enforcement of the previous arbitration ruling because APAT OE had refused to perform the arbitral award. In October 2018, the Court enforced the award, officially closing this arbitration matter.
In July 2018, NeoChina filed an arbitration claim against APAT OE in the Arbitration Court claiming approximately USD$12.0$12.0 million in damages as related to liability under the APA. NeoChina also was granted a property preservation of APAT OE’s bank accounts. In February 2019 NeoChina applied to the Arbitration Court to reduce the claim to USD $7.1 million according to the evidence of confirmation requests received by NeoChina. A hearing occurred on September 23, 2019. No judgment has been issuedIn August 2019, NeoChina applied to date. The Company is unablethe Arbitration Court to predictmodify the outcomeclaim to $8.1 million subject to the supplementary evidence of NeoChina. On March 31, 2020, the Arbitration Court ruled in favor of NeoChina and awarded NeoChina 54,607,000 RMB (approximately $7.7 million). On April 27, 2020, NeoChina filed an enforcement action in the Intermediate People's Court of Shenzhen Municipality to enforce this matter.arbitration award.
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Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
In November 2018, APAT OE filed an additional arbitration claim against NeoChina and NeoPhotonics Corporation claiming approximately USD $7.8 million for liability under the APA. In March 2019, NeoChina filed a response and counterclaim against APAT OE including a claim for attorney fees in the amount of RMB 810,000 (approximately $121,000). This matter is scheduled to bewas heard in the same hearing as the NeoChina arbitration claim referenced above, which matter was heard on September 23, 2019. No judgment has been issuedabove. On March 31, 2020, the Arbitration Court ruled in NeoChina's' favor and awarded 846,000 RMB (approximately $119,000) for attorney's fees and arbitration fees. On April 27, 2020, NeoChina filed an enforcement action in the Intermediate People's Court of Shenzhen Municipality to date. The Company is unable to predict the outcome ofenforce this matter.arbitration award.

Indemnifications
In the normal course of business, the Company enters into agreements that contain a variety of representations and warranties and provideprovides for general indemnification. The Company’s exposure under these agreements is unknown because it involves claims that may be made against the Company in the future, but have not yet been made. To date, the Company has 0t paid any claims or been required to defend any action related to its indemnification obligations. However, the Company may record charges in the future as a result of these indemnification obligations.
In November 2016, Oyster Communications, Inc. filed 9 patent lawsuits against several defendants in the U.S. District Court for the Eastern District of Texas, including one against Cisco Systems, Inc. ("Cisco"). One defendant successfully transferred their case to the U.S. District Court for the Northern District of California. Additional defendants requested venue changes are still pending. The Company was not named as a defendant in any of the lawsuits. In July 2017, Cisco notified the Company that it would be seeking indemnification from the Company for claims against Cisco arising from the lawsuits and the parties engaged in discussions and negotiations. In September 2018, the Company and Cisco signed a settlement agreement under which the Company agreed to pay to Cisco $300,000, which was paid in January 2019, and $150,000 in product credits to be applied during calendar year 2019. This settlement resolves Cisco's indemnification claims against the Company in this matter.
Penalty Payment Derivative
In connection with a private placement transaction with Joint Stock Company "Rusnano" (formerly Open Joint Stock Company “RUSNANO"), or Rusnano, in 2012, the Company agreed to certain performance obligations including establishing a wholly-owned subsidiary in Russia and making a $30.0 million investment commitment (the "Investment Commitment") towards the Company’s Russian operations, which could be partially satisfied by cash and/or non-cash investment inside or outside of Russia and/or by way of non-cash asset transfers.
The Rights Agreement as amended in 2015 (the "Amended Rights Agreement") limited the maximum amount of penalties and/or exit fee (the "Rusnano Payment") to be paid by the Company to $5.0 million in the aggregate and allowed such payment to be reduced when certain milestones were met over time. The Amended Rights Agreement also provided for an updated investment plan for the Company’s Russian subsidiaries that included non-cash transfer of licensing rights to intellectual property, non-cash transfers of existing equipment and commitments to complete the remaining investment milestones through 2019.
As of December 31, 2018, the remaining Investment Commitment was approximately $6.5 million to be invested at any time on or before December 31, 2019. At any point before December 31, 2019, the Company could have elected to pay a $2.0 million exit fee to terminate any remaining obligations associated with the Investment Commitment.
Rusnano had non-transferable veto rights over the Company’s Russian subsidiaries’ annual budget during the investment period and had the right to approve non-cash asset transfers to be made in satisfaction of the Investment Commitment. The Company accounted for the Rusnano Payment as an embedded derivative instrument. The fair value of the penalty payment derivative has been estimated at the date of the original common stock sale (April 27, 2012) and at each subsequent balance

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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

sheet date using a probability-weighted discounted future cash flow approach using unobservable inputs, which are classified as Level 3 within the fair value hierarchy. The primary inputs for this approach include the probability of achieving the Investment Commitment and a discount rate that approximates the Company’s incremental borrowing rate. After the initial measurement, changes in the fair value of this derivative are recorded in other income (expense), net. The estimated fair value of this derivative was $2.0 million as of December 31, 2018. As of December 31, 2018, the derivative was reported within Accrued and other current liabilities on the Company’s condensed consolidated balance sheets. Refer to Note 6 for further details.
In December 2018, the Company signed a definitive agreement with Rusnano to sell the Company’s 100% interest in NeoPhotonics Corporation, LLC, the subsidiary for the Company’s manufacturing operations in Russia, for approximately book value. The purchase price agreed to be paid by Rusnano consisted of approximately $3.0 million in cash and $1.0 million in cancellation of the remaining penalty payment that would otherwise have been owed to Rusnano as consideration for the Company's obligations to provide manufacturing process transition to NeoPhotonics Corporation, LLC.
In April 2019, the Company completed the sale of 100% interest in the operations of NeoPhotonics Corporation, LLC, the Company's manufacturing operations in Russia to Joint Stock Company Rusnano, a related party. In connection with the sale, the Company received $2.0 million in cash, settled the $2.0 million exit fee and recognized a gain on asset sale of $0.8 million during the nine months ended September 30, 2019.
Note 13.12. Stockholders’ equity 
Common Stock 
As of September 30, 2019,March 31, 2020, the Company had reserved 7,964,1979,273,221 common stock for issuance under its equity incentive plans and 1,820,7441,717,211 common stock shares for issuance under its employee stock purchase plan.
Accumulated Other Comprehensive Loss
The components of accumulated other comprehensive loss, net of related taxes, were as follows (in thousands):

 Foreign Currency Translation Adjustments Defined Benefit Pension Plan Adjustment Total Accumulated Other Comprehensive Income (loss)
Balance as of December 31, 2018$(6,897) $(229) $(7,126)
Other comprehensive loss, net of taxes of zero(3,468) 
 (3,468)
Balance as of September 30, 2019$(10,365) $(229) $(10,594)
 Foreign Currency Translation AdjustmentsDefined Benefit Pension Plan AdjustmentTotal Accumulated Other Comprehensive Loss
Balance as of December 31, 2019$7,641  $230  $7,871  
Other comprehensive loss, net of taxes of 01,970  —  1,970  
Balance as of March 31, 2020$9,611  $230  $9,841  
No material amounts were reclassified out of accumulated other comprehensive income during the three and nine months ended September 30,March 31, 2020 and 2019 and 2018 for realized gains or losses on available-for-sale securities.  
Accumulated Deficit
Approximately $9.0$9.2 million of the Company’s retained earnings within its total accumulated deficit as of December 31, 20182019 was subject to restriction due to the fact that the Company’s subsidiaries in China are required to set aside at least 10% of their respective accumulated profits each year end to fund statutory common reserves.

23
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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Note 14.13. Restricted net assets
The Company’s consolidated subsidiaries operating in China and Japan are restricted from transferring funds or assets to its parent company in the form of cash dividends, loans or advances. As of September 30, 2019March 31, 2020 and December 31, 2018,2019, the Company's consolidated subsidiaries had $20.5$20.9 million and $20.9$21.1 million, respectively, of restricted net assets. This compares to the Company's consolidated net assets of $150.0$167.2 million and $160.2 million as of September 30, 2019March 31, 2020 and December 31, 2018,2019, respectively, which consisted of (in thousands):
 September 30, 2019 December 31, 2018
Cash restricted in China as a result of ongoing litigation and unfulfilled government grants$10,791
 $11,018
China earnings restricted to fund statutory common reserves in China8,792
 9,005
Loan agreements in Japan requiring local subsidiaries to maintain minimum net asset levels926
 909
  Total restricted net assets in the Company's consolidated subsidiaries$20,509
 $20,932


  March 31, 2020December 31, 2019
Cash restricted in China as a result of ongoing litigation and unfulfilled government grants$10,896  $10,936  
China earnings restricted to fund statutory common reserves in China9,081  9,240  
Loan agreements in Japan requiring local subsidiaries to maintain minimum net asset levels925  920  
  Total restricted net assets in the Company's consolidated subsidiaries$20,902  $21,096  
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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Note 15.14. Stock-based compensation 
The following table summarizes the stock-based compensation expense recognized in the three and nine months ended September 30,March 31, 2020 and 2019 and 2018 (in thousands):

Three Months Ended
September 30,
 Nine Months Ended
September 30,
Three Months Ended
March 31,
2019 2018 2019 2018 20202019
Cost of goods sold$441
 $553
 $1,651
 $1,832
Cost of goods sold$537  $601  
Research and development715
 1,016
 2,383
 2,618
Research and development758  881  
Sales and marketing575
 931
 1,852
 2,511
Sales and marketing530  678  
General and administrative1,220
 1,541
 3,408
 3,566
General and administrative693  1,178  
$2,951
 $4,041
 $9,294
 $10,527
$2,518  $3,338  
 
Determining Fair Value 
The Company estimated the fair value of certain stock-based awards using a Black-Scholes-Merton valuation model with the following assumptions:  
 Three Months Ended
September 30,
 Nine Months Ended
September 30,
Stock options2019 2018 2019 2018
Weighted-average expected term (years)6.00 0.00 6.00 6.02
Weighted-average volatility68% —% 67% 65%
Risk-free interest rate1.82% —% 1.82%-2.27% 2.27% - 2.62%
Expected dividends—% —% —% —%
Stock appreciation units       
Weighted-average expected term (years)1.45 1.87 1.56 1.99
Weighted-average volatility65% 65% 63% 66%
Risk-free interest rate1.75%-2.12% 1.73% - 2.52% 1.75%-2.63% 1.03%-2.52%
Expected dividends—% —% —% —%
ESPP       
Weighted-average expected term (years)0.00 0.00 0.69 0.71
Weighted-average volatility—% —% 60% 61%
Risk-free interest rate—% —% 2.36%-2.59% 1.20%-1.93%
Expected dividends—% —% —% —%

model.
Stock Options and Restricted Stock Units (RSUs)
The following table summarizes the Company’s stock option and RSU activity, excluding market-based RSUs, during the ninethree months ended September 30, 2019:March 31, 2020: 
 Stock Options Restricted Stock Units
 
Number of
Shares
 
Weighted
Average
Exercise
Price
 Number of
Units
 Weighted
Average
Grant Date
Fair Value
Balance as of December 31, 20183,202,745
 $5.73
 2,486,028
 $7.87
Granted103,001
 4.34
 1,938,591
 4.87
Exercised/Converted(264,857) 3.66
 (996,340) 8.70
Cancelled/Forfeited(208,277) 6.52
 (220,524) 7.51
Balance as of September 30, 20192,832,612
 5.82
 3,207,755
 5.82


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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Stock OptionsRestricted Stock Units
 Number of
Shares
Weighted
Average
Exercise
Price
Number of
Units
Weighted
Average
Grant Date
Fair Value
Balance as of December 31, 20192,598,745  $5.93  3,170,981  $5.80  
Granted—  —  224,131  6.72  
Exercised/Converted(52,501) 4.40  (114,188) 5.96  
Cancelled/Forfeited(23,505) 11.15  (61,675) 6.10  
Balance as of March 31, 20202,522,739  5.91  3,219,249  5.85  
At September 30, 2019,March 31, 2020, the Company had $1.0$0.5 million of unrecognized stock-based compensation expense for stock options, net of estimated forfeitures, which will be recognized over the remaining weighted-average period of 1.4 years.forfeitures. At September 30, 2019,March 31, 2020, the Company had $14.2$11.7 million of unrecognized stock-based compensation expense for RSUs, excluding market-based RSUs, net of estimated forfeitures, which will be recognized over the remaining weighted-average periodforfeitures.
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Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)
Market-based Restricted Stock Units
As of September 30, 2019,March 31, 2020, the Company has granted 705,000 shares of market-based RSUs to certain employees. These RSUs will vest if the 30-day weighted average closing price of the Company's common stock is equal to or greater than certain price targets per share and the recipients remain in continuous service with the Company through such service period. NaN market-based RSUs have vested and 63,50093,500 market-based RSUs have been cancelled through September 30, 2019.
March 31, 2020. The weighted average grant-date fair value per share of market-based RSUs granted during 2019 and 2018 was approximately $4.86 and $5.82 per share.share, respectively. As of September 30, 2019,March 31, 2020, the Company had $1.6$1.1 million of unrecognized stock-based compensation expense for these RSUs, net of estimated forfeitures, which will be recognized over the remaining weighted-average period of 1.041.30 years. The fair value of market-based RSUs was measured on the grant date using Monte Carlo simulation model with the following assumptions:
Market-based restricted stock unitsAssumptions
Used
Weighted-average volatility66%
Risk-free interest rate2.79%
Expected dividends—%

Stock Appreciation Units (SAU) 
SAUs are liability classified share-based awards. Outstanding SAUs are re-measured each reporting period at fair value until settlement. The Company did 0t grant any SAUs during the three and nine months ended September 30, 2019March 31, 2020 or 2018.2019. As of September 30, 2019March 31, 2020 and December 31, 2018,2019, there were 169,351153,404 and 192,872163,471 SAUs outstanding, respectively, and related SAU liabilities were $0.5 million and $0.6$0.8 million, respectively.  
Employee Stock Purchase Plan (ESPP)
The Company issued 253,718did 0t issue any shares under the ESPP during the ninethree months ended September 30, 2019.March 31, 2020. As of September 30, 2019,March 31, 2020, there was $0.1$0.4 million of unrecognized stock-based compensation expense for employee stock purchase rights that will be recognized over the remaining offering period through November 2019.2020. In June 2019, the Company adopted an Amendment and Restatement of the ESPP to increase the number of shares authorized for issuance under the ESPP by an additional 1,500,000 shares and to eliminate the annual "'evergreen" automatic increase provisions.  
Note 16.15. Income taxes
The provision for income taxes in the periods presented is based upon the income (loss) before income taxes (in thousands):   

 Three Months Ended
September 30,
 Nine Months Ended
September 30,
 2019 2018 2019 2018
Income tax provision$(1,561) $(291) $(1,526) $(2,009)
 Three Months Ended
March 31,
 20202019
Income tax provision$(1,993) $(170) 
The Company’s income tax provision in the three and nine months ended September 30,March 31, 2020 was due to income taxes on earnings from operations in the U.S. and foreign tax jurisdictions. The Company’s income tax provision in the three months ended March 31, 2019 and 2018 was primarily related to income taxes of the Company’s non-U.S. operations. The increase in income tax expense for the three months ended March 31, 2020, as compared to the same period in 2019 was primarily due to increased earnings from its U.S. operations for the three months ended March 31, 2020 while the Company has historically experienced net losses in the U.S.

The Company conducts its business globally and its operating income is subject to varying rates of tax in the U.S., China and Japan. Consequently, the Company’s effective tax rate is dependent upon the geographic distribution of its earnings or losses and the tax laws and regulations in each geographical region. Historically, the Company has experienced net losses in the U.S. and in the short term, expects this trend to continue. 

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NeoPhotonics Corporation
Notes to Condensed Consolidated Financial Statements (Continued)
(Unaudited)

Due to historical losses in the U.S., the Company has a full valuation allowance on its U.S. federal and state deferred tax assets. Management continues to evaluate the realizability of deferred tax assets and the related valuation allowance. If management's assessment of the deferred tax assets or the corresponding valuation allowance were to change, the Company would record the related adjustment to income during the period in which management makes the determination.
On December 22, 2017, the Tax Cuts and Jobs Act (the “TCJA”) was enacted which, among other things, lowered the U.S. federal corporate income tax rate from 35%
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Notes to 21%, requires companies to pay a one-time transition tax on earnings of certain foreign subsidiaries that were previously tax deferred and creates Global Intangible Low Taxed Income ("GILTI") to tax certain foreign sourced earnings. As of December 31, 2018, the Company has concluded the accounting under the TCJA within the time period set forth in Staff Accounting Bulletin 118. There was no provision impact of TCJA on the 2018 financial statements due to full valuation allowance on U.S. deferred tax assets. In addition, the Company has elected to treat GILTI inclusion accounting impact as a current period expense. As of September 30, 2019, the TCJA has no material impact on the financial statements due to full valuation allowance on U.S. deferred tax assets.Condensed Consolidated Financial Statements (Continued)
The Company adopted ASU 2016-16 on a modified retrospective basis effective January 1, 2018. Upon adoption of this standard on January 1, 2018, the Company recorded $1.8 million to accumulated deficit balance for intra-entity transfer of an asset other than inventory in prior years.(Unaudited)

As of September 30, 2019,March 31, 2020, there were no material changes to either the nature or the amounts of the uncertain tax positions previously determined for the year ended December 31, 2018.2019.


On March 27, 2020, the “Coronavirus Aid, Relief, and Economic Security Act” (“CARES Act”) was signed into law. The new legislation includes a number of income tax provisions applicable to individuals and businesses. Due to historical net operating losses incurred in the U.S., the CARES Act did not have material impacts on the Company’s condensed consolidated financial statements as of March 31, 2020. The Company continues to examine the elements of the CARES Act and the impacts they may have on its future business.
Note 16. Subsequent events

On April 13, 2020, the Company’s 2010 Equity Incentive Plan (the “2010 Plan”) terminated in accordance with its terms. On April 14, 2020, the Company’s Board of Directors approved a 2020 Equity Incentive Plan (the “2020 Plan”), to establish a new equity plan and share reserve for the grant of stock options, restricted stock unit awards and other awards. The 2020 Plan is subject to its approval by the Company’s stockholders and is included as a proposal at the Company’s annual meeting of stockholders scheduled for June 2, 2020. In connection with the approval of the 2020 Plan, the Board of Directors also terminated the Company’s 2011 Inducement Award Plan (the “Inducement Plan”).

If the 2020 Plan is approved by the Company’s stockholders, the aggregate number of shares of its common stock that may be issued under the 2020 Plan will not exceed the sum of (i) 2,121,414 shares and (ii) certain shares subject to outstanding awards granted under the 2010 Plan or the Inducement Plan that may become available for issuance under the 2020 Plan, as such shares become available from time to time. No additional awards may be granted under the 2010 Plan or the Inducement Plan.
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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS 
 
The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the unaudited condensed consolidated financial statements and the related notes thereto included elsewhere in this Quarterly Report on Form 10-Q for the period ended September 30, 2019March 31, 2020 and the audited consolidated financial statements and notes thereto and management’s discussion and analysis of financial condition and results of operations for the year ended December 31, 20182019 included in our Annual Report on Form 10-K.10-K/A. References to “NeoPhotonics,” “we,” “our,” and “us” are to NeoPhotonics Corporation unless otherwise specified or the context otherwise requires.
This Quarterly Report on Form 10-Q for the period ended September 30, 2019March 31, 2020 contains “forward-looking statements” that involve risks and uncertainties, as well as assumptions that, if they never materialize or prove incorrect, could cause our results to differ materially from those expressed or implied by such forward-looking statements. The statements contained in this Quarterly Report on Form 10-Q for the period ended September 30, 2019March 31, 2020 that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Terminology such as “believe,” “may,” “might,” “objective,” “estimate,” “continue,” “anticipate,” “intend,” “should,” “plan,” “expect,” “predict,” “potential,” or the negative of these terms or other similar expressions is intended to identify forward-looking statements.
We have based these forward-looking statements largely on our current expectations and projections about future events and industry and financial trends that we believe may affect our financial condition, results of operations, business strategy and financial needs. Such forward-looking statements are subject to risks, uncertainties and other important factors that could cause actual results and the timing of events to differ materially from future results expressed or implied by such forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those identified in “Part II —Item 1A. Risk Factors” below, and those discussed in the sections titled “Special Note Regarding Forward-Looking Statements” and “Risk Factors” included in our Annual Report on Form 10-K10-K/A for the year ended December 31, 2018,2019, as filed with the SEC on March 8, 2019.3, 2020. Furthermore, such forward-looking statements speak only as of the date of this report. Except as required by law, we undertake no obligation to update any forward-looking statements to reflect events or circumstances after the date of such statements.
Business Overview
We develop, manufacture and sell lasers and other high speed optoelectronic products that transmit, receive modify and switch high speed digital optical signals for communications networksCloud and related applications.hyper-scale data center internet content provider and telecom networks. Our solutions help network operators manage the explosive data traffic growth in Cloud and hyper-scale data centers.
We specialize in products addressthat operate at the highest speed over distance, applications and are designed for 100G100 Gigabits per Second ("G"), 200G, 400G and beyond data rates, such as at 600G and 800G. Our products have the speed, size, low power consumption and interoperability to directly transmit data using industry standard Internet Protocol coding, or IP, over DWDM wavelengths, greatly simplifying data networks.
We are the world's primary supplier of tunable lasers that emit the ultra-pure light that is required for the highest speed over distance coherent fiber optic communications links.
We integrate our lasers and our high performance coherent optical components into transmit/receive modules, or transceivers. Our high speed transceiver modules, which can operate at 400G and above, drive down costs, extend reach and directly interconnect with switches and routers.
We believe we are well positioned to deliver these laser, component and module products based on our leadership in the ultra-pure lasers which power them and our comprehensive capabilities in designing and producing the highest performance Silicon Photonics and Indium Phosphide devices based on our Advanced Hybrid Photonic Integration.
We also believe that because of our laser and component technologies, we have been first to deliver commercial volumes for each of the highest speed advances in components since the advent of coherent optics for transmission ten years ago in 2010, as maximum speeds have advanced for each wavelength, or color, from 100G (Gigabits per second) to 200G, 400G 600G and 800G per second rates on a single wavelength for telecomnow 800G. With adoption of coherent transmission using pluggable high speed optical modules in Cloud and hyper-scale data centers, we believe our total addressable market is rapidly expanding.
Our high speed optical communications technologies encode information to optical signals from electronic signals for transmission and decode it for receiving. We achieve these ultra-high speeds with coherent technology that encodes phase,
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amplitude and polarization of an optical wavelength, packing in far more information than simple on/off encoding. We believe we are a global leader in coherent transmission technology, based on our achieved speeds, leadership in ultra-pure color lasers and optical integration for miniaturization and low power consumption.
Coherent is becoming the technology of choice for high speed data transmission in Cloud infrastructure and data center interconnection, in addition to telecom networks, where the highest speeds over distance were first developed. Moreover, we are the most significant producer of the pure light lasers that deliver data at the highest speeds, as we have delivered more than 1.5 million lasers used by the more than 2 million coherent ports deployed by the industry over the past 10 years (each port may use either one or content provider, networks. two lasers).
We sellhave grown our products tobusiness by delivering the world’s leadinghighest speed over distance for the Long Haul and Metro segments of the Telecom market. In recent years the Data Center Interconnect (DCI) market has become an increasing part of our revenue as DCI market adopts high speed coherent optical technologies.
Until recently our largest customers, Huawei and Ciena, have been suppliers of network equipment manufacturers, including Ciena Corporation ("Ciena"),primarily focused on the Telecom market. Other leading customers have also been telecom equipment suppliers, such as Cisco, Systems, Inc., Fiberhome Technologies, Ltd. ("Fiberhome"), Huawei Technologies Co., Ltd.Nokia and its affiliate HiSilicon Technologies, Ltd. (collectively “Huawei”) and Nokia (formerly Alcatel-Lucent, which was acquired by Nokia in January 2016), and through them to the world's leading Telecom Carriers and Internet Content Providers (ICPs). These companies are among our largest direct and indirect customers and a focus of our strategy due to their leading market positions.
Over the last decade we have been a consistent technology innovator in high speed digital optics products and applications, steadily introducing new capabilities and solutions that enable leading market positions for our customers and for our products that they use. ZTE.
Our High Speed Products for data rates of 100G, 200G and 400G 600Gwere 92% of our revenues for the three months ended March 31, 2020, and were 88% of our revenues in the three months ended March 31, 2019. Our sales concentration in High Speed Products has been increasing each year for more than 10 years.

Networks operating at 400G and beyond use our Advanced Hybrid Photonic Integration technology. Advanced Hybrid Photonic Integration combines photonic circuits which utilize our multiple differentiated integration platforms, including Silicon Photonics, Indium Phosphide, Silica on Silicon, Gallium Arsenidedata rates have adopted coherent transmission technology because of its ability to increase data rates and Silicon Germanium, so that each function is performed in the optimal material.lower costs. These high performance productsspeed networks are among the core focushighest growth segments of our strategy,the optical communications market, and we believe that they are an important competitive differentiator. Our strategic focus on high speed components and coherent solutions recognizessupport the explosionrapid expansion of optics in converged edge network applications and we are expanding to new markets ranging from data centers to cable television to autonomous vehicle navigation. We align our product group reporting to “High Speed Products”, which includes products designed for 100G and beyond communications applications, and “Network Products and Solutions,” which comprises all products designed for applications that do not have data rates at or above 100G.
For coherent transport fromtelecom backbone, hyper-scale data center interconnect through long-haul, we are a vertically integrated designercontent provider networks, accommodating increased wireline and manufacturermobile traffic.
We expect growth in the 400G and beyond segment of our business to be driven primarily by increased adoption of our High Speed Products in the highestmuch larger Cloud infrastructure market, the Metro market sector and in the high speed optical components which we sell to the merchant market and which we incorporate into our own module level products. For applicationsdata center interconnect, or DCI, market.
Specific technologies have been developed for communications inside the data center and between data centers themselves as well as between data centers and consumers. We believe our solutions are often unique in their ability to provide high integrity signals across longer distances. However, high speed coherent transmission is becoming more competitive at shorter reaches, which include applications where interconnect volumes are much larger, and where we historically have not sold our products directly. Thereby we believe shorter reaches offer us further significant growth opportunities.
We believe the changes at 400G and above data rates portend a coming significant change in high speed network architectures to more efficiently implement the 400G and above technologies that we provide. This forecasted sea change is enabled by coherent techniques and Photonic Integrated Circuits, which makes it possible for long distance transmission by pluggable transceiver modules that connect directly into switches and routers inside data centers and that have thus far been used only for short reach connections within data centers. Such dis-aggregated Open Line Systems can manage optical signals between data centers with all needed channel management, amplification, traffic planning and monitoring functions. Together coherent pluggable transceivers and Open Line fiber systems make IP over DWDM possible, that is for Internet Protocol data to be transmitted over long distances on an optical channel without translation into a proprietary equipment manufacturer’s format. Connections between data centers then become as simple as connections within data centers - a breakthrough benefit to the network operator.
We believe that over the next few years, this connection architecture will become a mainstay of new installations, moving a significant portion of the capital expenditures from network equipment supplied DWDM proprietary boxes to disaggregated direct 400ZR interconnections. This new approach of IP over DWDM moves Internet Protocol traffic from switches and routers directly over an Open Line system DWDM channel without passing through a proprietary network equipment transmission box.
The Covid-19 pandemic is impacting our business, the business of our customers and suppliers and how we execute our business. In January and February, 2020, the focus was the impact from China. Our China operations and China-based supply chain partners executed well and have largely recovered. The focus has now turned to the impact on operations in North America and the rest of the world.
Our priorities to address the impacts of Covid-19 on our operations are as follows:

Health and Safety
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The health and well-being of our employees and supply chain partners is our top priority.

We have implemented strict measures to ensure and maintain safety, including working remotely where possible, social distancing and increased cleaning protocols in each of our global facilities.

We are closely monitoring rapidly evolving conditions and adhering to local, state and federal guidelines and orders.

Business Continuity

Our operations and products support essential communications networks globally.

We have implemented and continue to adjust comprehensive business continuity plans in response to Covid-19 to ensure that we are focused on supplyingable to deliver for our customers and continue to work toward consistent profitability.

We are working closely with our supply chain partners globally to increase inventory levels and buffer supply chain volatility, as our suppliers support the highest valuehealth and safety of their employees.

We have seen strong demand in the near term for products that facilitate increasing network bandwidth; we are working to ensure continuity between us, our supply partners and forward to our customers or their contract manufacturing partners around the world.

Financial Structure

We believe our balance sheet and liquidity position provide the flexibility needed to support our operations during this pandemic.

We have taken and will continue to take precautionary steps, as required, to maintain our financial position to include leveraging available credit facilities, managing operating expenses prudently and deferring non-essential capital expenditures.

Our Solutions
Three critical optical components are required to make a coherent transceiver: (1) a laser with a very narrow linewidth for very pure light; (2) a coherent modulator capable of changing both the intensity and phase of the optical signal to code data onto it; and (3) a coherent receiver capable of detecting both the intensity and phase of the received optical signal to “understand” its content, plus an electronic digital signal processor IC (DSP).

We have been a leading volume supplier of these optical components since coherent systems were first deployed in volume for telecommunications networks a decade ago in 2010. We are now the leading supplier of narrow linewidth tunable lasers and optical IC solutionscoherent receivers to the merchant market. As disaggregation of optical equipment continues to gain momentum, we believe that high performance merchant components capability will be an increasingly important differentiator.
We recently introduced a number of new products for 400G and 600G systems. We see strength in our design wins, most notably across all three of our leading coherent components, including our ultra-narrow linewidth tunable laser, 400G and 600G micro coherent driver-modulator and coherent receiver. Our ultra-narrow linewidth lasers are a critical element in achieving these speeds because they have the narrowest linewidth and minimal phase noise for the higher order modulation schemes - or data coding methods - that are required. Our laser, receiver and modulator work together to enable the highest performance solutionsmarket, and we offer them as both a full solution and as discrete elements to customers who demand the highest performance and whose systems operate at the highest data rates. We are currently shipping these products to customers to meet their system development needs and we are now ramping manufacturing volumes as 400G and 600G demands grow.
While supporting our customers' current needs with these advanced components, we are also preparing for their next generation needs by taking steps to integrate and reduce the size of the optics by approximately a factor of two while maintaining thehave introduced new high performance necessaryspeed coherent modulators for 400G, 600G and 800G per wavelength. We recently introducedabove applications.
The capabilities of coherent optics continue to grow with increasing photonic integration for higher performance and demonstratedsmaller size, and open further opportunities for us in adjacent markets. Outside of communications, coherent technology improves sensitivity and performance for a Silicon Photonics based Coherent Optical Subassembly, or COSA, which integrates a 64GBaud coherent driver-modulatorvariety of applications including inter-satellite communication links including for low earth orbit (LEO) satellites, plus industrial applications, 3D sensing for autonomous vehicle navigation, and coherent receiver in a compact package that occupies less than halfmedical imaging.
In the space of the equivalent discrete components. Alongside this, we introducedthree months ended March 31, 2020 and are now shipping in limited availability2019, our "Nano" ultra-narrow linewidth external cavity integrable tunable laser assembly, similarly reduces the size in half while featuring the industry leading linewidthfive largest customers accounted for 85% and power consumption87% of our external cavity laser. Furthermore, we also demonstratedtotal revenue, respectively. In the three months ended March 31, 2020, two customers had 10% or more revenue including Huawei Technologies, together with its affiliate HiSilicon Technologies Co. Ltd. (collectively “Huawei”), which accounted for 52% of our Silicon Photonics based "Pico" Tunable Laser,total revenue. In the three months ended March 31, 2019, two customers had 10% or more revenue including Huawei which can be integrated with other Silicon Photonics elements, such asaccounted for 49% of our COSA,total revenue.
We have invested and expect to further reducecontinue to invest significant time and capital into our research and development operations. Our research and development activities continue to push the size of the coherent optics necessary to support next generation high performance 400ZR pluggable modules.
Our in-house coherent module solutions leverage our high performance andleadership boundaries in high speed components. Our CFP-DCO 100G coherent module is shipping to customers deploying linksdigital optics, silicon photonics and hybrid photonic integration, optoelectronics control and in metro networkssignal processing.
Research and switch/router connection applications where high signal clarity is key. We further demonstrated at OFCdevelopment expenses were $11.9 million and $14.7 million in three months ended March 31, 2020 and 2019, our 100G coherent CFP2-DCO module, which utilized our "Nano" tunable laser, our CDM and our Micro-Coherent Receiver. Furthermore, we are combining our "Nano" laser with our Silicon Photonics COSA into a 400ZR pluggable module which will provide direct Router to Router Data Center Interconnection.respectively.
Long Haul, Metro and high density data center interconnect networks also leverage our multi-cast switches to boost network capacity while supporting bandwidth-intensive services. These switches enable contentionless reconfiguration to maximize fiber utilization and capacity growth.
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Our new client side and data center product offerings are focused on 400G applications. Our 53GBaud Linear Optical Component product family includes PAM4 capable optical components for 100G and 400G cloud data center and other client applications, including drivers and EML lasers for transmitters plus photodetectors and trans-impedance amplifiers for receivers. These provide the optical content necessary for single wavelength 100G PAM4 and four wavelength 400G PAM4 transceivers for 2-10km distances inside data centers, such as DD-QSFP and OSFP. We have also introduced high-power, non-hermetic laser optical sources for shorter reach 100G and 400G Silicon Photonics based transceivers for data center applications.
Finally, we are deploying a rangeTable of both passive module solutions and long reach laser solutions for 5G network applications, for which network deployments are expected to ramp in 2020.Contents
We have research and development and waterwafer fabrication facilities in San Jose and Fremont, California and in Tokyo, Japan that coordinate with our research and development and manufacturing facilities in Dongguan, Shenzhen and Wuhan, China and Ottawa, Canada. We use proprietary design tools and design-for-manufacturing techniques to align our design process with our precision nanoscale, vertically integrated manufacturing and testing. Today, weWe believe we are one of the highest volume manufacturers of photonic integrated circuitcircuits ("PIC") manufacturers in the world.world and that we can further expand our manufacturing capacity to meet market needs.
In 2017, the market situation for 100G and above product deployments in China materially affected our results. Demand from our China-based customers was very strong in 2016 with our customers at that time providing optimistic forecasts for 2017 in anticipation of new tenders for provincial and metro 100G system deployments from the leading Chinese telecom carriers. However, tender awards from the China telecom carriers were slower than expected in 2017 and into 2018.
Due to tender awards by Chinese telecom carriers for provincial development and other smaller tender awards we experienced a more normalized demand environment in China beginning in the second quarter of 2018 and continuing through the rest of the year and into 2019.
Through 2018 and continuing into 2019, demand for certain of our High Speed Products that are used in metro and data center interconnect (DCI) applications in North America and Europe increased. DCI deployments in North America were

particularly strong in 2019, and our products for these applications were shipped to contract manufacturers for our system manufacturer customers.
Our expectations were that we would see the same demand pattern through the remainder of 2019 and we expected volume growth for our High Speed Products to continue.
On May 16, 2019, however, the U.S. Commerce Department's Bureau of Industry and Security ("BIS") added Huawei and certain affiliates to the BIS Entity List ("Entity List"), with an effective date of May 21, 2019. This denies Huawei the ability to purchase products, software and technology that are subject to U.S. Export Administration Regulations (EAR). To ensure compliance, NeoPhotonics immediately suspended shipments toAs Huawei and beganhas been our largest customer in recent quarters, this has had a systematic assessment of its products sold to Huawei and its affiliate, HiSilicon, to determine how they are, or are not, subject to the restrictions resulting from the Entity List. This had an immediatematerial impact on the levelrevenue and profitability we had forecasted prior to the BIS action. As a result, we have adjusted capital expenditures, operating expenditures, project plans and incoming materials for changing demand levels to mitigate risks associated with the Entity List and intend to continue to implement actions to improve cash flow and profitability.
We are committed to EAR compliance in each of revenue shipmentsthe locations in the second quarter, as in general Huawei accounts for slightly under one half of our revenue.
After consulting with legal and technical experts,which we do business. We determined that certain of our products, notably our foreign-manufactured products are not subject to EAR regulations and may be lawfully sold to Huawei and its affiliates. Each product must be reviewed individually in a detailed, specific and time consuming process, and these reviews are still ongoing throughHuawei. During 2018, prior to the third quarter. Consequently, we have reset our business approach with Huawei to consist of only products that have been determined to be not subject to EAR. During 2018,denial order, non-EAR products were over half of our Huawei revenue. As a result somerevenue and shipments resumed late in the second quarter and continued in the third quarter.
On June 29, 2019, President Trump announced that U.S. firms would be allowed to sell to Huawei while trade negotiations were ongoing. Administration spokespersons subsequently clarified that companies could apply for temporary export licenses forof many of these products subject to EAR and that these licenses might be granted if the product was deemed not to be a risk to national security. Wecontinue. Further, we have applied for licenses for certain technology subject to EAR, butand at the time of this filing, no licenseswe have yet been granted.granted a license to ship limited, but not material, volumes of U.S.-manufactured lasers to Huawei.
Our revenueDuring the quarter ended March 31, 2020, the Covid-19 pandemic impacted our operations. In January and gross margins may fluctuate materiallyFebruary the usual shutdown for the Lunar New Year celebrations was extended by one week at our factory in Shenzhen, China and the subsequent return of direct labor was more drawn-out than usual. Operations there have largely returned to normal levels, but there remain risks in our supply chain, which we continue to monitor. Subsequently, in March 2020, as the effects of the outbreak spread to the rest of the world, our operations in North America, along with much of our western customer base, began to operate on a “work from quarter to quarterhome” basis. We further idled one production facility in California. As the date of filing of this Quarterly Report, we have not seen a reduction in demand in China or the west due to changes in government regulationsthe outbreak and Huawei demand, as well as depending on a variety of other factors including customer demand fluctuations, ramp-up of new product introductions, average selling price changes, product mix, volume, manufacturing utilization and ongoing manufacturing process improvements.we continue to monitor potential supply chain disruptions.

Revenue was $92.4$97.4 million in the three months ended September 30, 2019,March 31, 2020, compared to $81.7$79.4 million in the same period in 2018three months ended March 31, 2019 primarily due to volume growth toin China and from continued strength from the U.S. and European based customers, including shipments through their off-shore contract manufacturers, partially offset by a decrease in shipments to Huawei due to the elimination of shipments of products subject to EAR after Huawei's placement on the Entity List.manufacturers. Our gross profit was 28%30.5% of revenue in the three months ended September 30, 2019,March 31, 2020 compared to 23%19.8% of revenue in the three months ended September 30, 2018.March 31, 2019. Improvement resulted from favorable product mix, increased volume and cost reductions.

In the three months ended September 30, 2019,March 31, 2020, High Speed Products represented approximately 92% of total revenue, or $85.4$89.8 million and Network Products and Solutions represented approximately 8% of total revenue, or $7.0$7.6 million. In the three months ended September 30, 2018,March 31, 2019 High Speed Products were 84%88% of total revenue, or $68.5$70.2 million and Network Products and Solutions represented approximately 16%12% of total revenue, or $13.2$9.2 million. The High Speed Product market segment is growing at a much faster pace than Network Products and Solutions, certain products of whichdemonstrating our continued leadership in 400G and faster solutions to address the merging needs for more network bandwidth capacity by both Cloud players and carrier.In addition, Network Products and Solutions were also disproportionately impacted by the suspension of shipments due to Huawei's placement on the Entity List.
Critical accounting policies and estimates
Other than the policy changes disclosed in Note 1 in Notes to Condensed Consolidated Financial Statements in Item 1, Part I of this Report, there have been no material changes to our critical accounting policies and estimates during the three and nine months ended September 30, 2019March 31, 2020 from those disclosed in Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K10-K/A for the year ended December 31, 2018.2019.

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Results of Operations 
Revenue
Our business is focused on the highest speed digital optics and signal processing communications applications. In the three months ended September 30, 2019,March 31, 2020, our High Speed Products for data rates of 100G and beyond comprised 92% of our revenues.
We sell substantially all of our products to original equipment manufacturers ("OEMs") and their contract manufacturers. Revenue is recognized upon transfer of control of the product to the buyer. We price our products based on market and competitive conditions and may periodically reduce the price of our products as market and competitive conditions change or as manufacturing costs are reduced. Our first quarter revenue is typically seasonally lower than the rest of the year primarily due to the impact of annual price negotiations with customers that occur at the end of the prior year and lower capacity utilization during the holidays in China. However, this historical pattern should not be considered a reliable indicator of our future revenue or financial performance. Our sales transactions to customers are denominated primarily in U.S. dollars, with small portions in Chinese Renminbi (“RMB”) or Japanese Yen (“JPY”).
In the second quarter of 2019, the BIS added Huawei and certain affiliates to the Entity List. We ceased all shipments to Huawei before the Entity List became effective and resumed shipment in late June of certain products that have been determined by us to be not subject to EAR. We expect this Entity List to continue to affect our revenue and operations.

Three Months Ended
March 31,
  
Three Months Ended
September 30,
     Nine Months Ended
September 30,
    
(in thousands)2019 2018 $ Change % Change 2019 2018 $ Change % Change
(in thousands, except percentages)(in thousands, except percentages)20202019$ Change% Change
Total revenue$92,392
 $81,748
 $10,644
 13% $253,448
 $231,436
 $22,012 10%Total revenue$97,401  $79,366  $18,035  23%
We generate most of our revenue from a limited number of customers. Huawei has consistently been our largest customer, which was again the case in the three months ended September 30, 2019,March 31, 2020, as it accounted for approximately 37%52% of our revenue. One other customer was greater than 10%revenue and 49% of our revenue for the three months ended September 30,March 31, 2019. In the three months ended September 30, 2018, Huawei accounted for approximately 47% of our revenue and one other customer was greater than 10% of our revenue.
In addition to Huawei, we have several large customers which may or may not exceed 10% of revenue in any given quarter. One other customer was greater than 10% of our revenue for the three months ended March 31, 2020 and for the three months ended March 31, 2019. After Huawei, our next four largest customers accounted for an additional 48%33% and 42%37% of our revenue in the three months ended September 30,March 31, 2020 and 2019, and 2018, respectively.
We expect that a significant portion of our revenue will continue to be derived from a limited number of customers. As a result, the loss of, or a significant reduction in, orders from any of our key customers would materially affect our revenue and results of operations. Similarly, our accounts receivable are from a limited number of customers. As of September 30, 2019March 31, 2020 and December 31, 2018,2019, one and two customers, respectively, each accounted for more than 10% of total accounts receivable.
Three Months Ended September 30, 2019March 31, 2020 Compared With Three Months Ended September 30, 2018March 31, 2019  
Revenue increased by $10.6$18.0 million, or 13%23%, in the three months ended September 30, 2019,March 31, 2020, compared to the same period in 2018,2019, reflecting an increasestrong end customer demand in volume to U.S.China as well as Metro and European based customers,DCI markets in the west, including to their offshore contract manufacturers,manufacturers. Increases in demand were partially offset by a decreasedecreases in shipments to Huawei due to the elimination of shipments of products subject to EAR after Huawei's placement on the Entity List.average selling prices. In the three months ended September 30, 2019,March 31, 2020, High Speed Products represented approximately 92% of total revenue, compared to 84%88% of total revenue in the same period in 2018,2019, while Network Products and Solutions represented approximately 8% of total revenue in the three months ended September 30, 2019,March 31, 2020, compared to approximately 16%12% of total revenue in the three months ended September 30, 2018.March 31, 2019. The High Speed Product market segment is growing at a much faster pace than Network Products and Solutions, demonstrating our continued leadership in 400G and certainfaster solutions to address the merging needs for more network bandwidth capacity by both Cloud players and carrier. In addition, Network Products and Solutions were also disproportionately impacted by the suspension of shipments due to Huawei's placement on the Entity List.
In the three months ended September 30,March 31, 2020 and 2019, and 2018, respectively, revenue from China, Americas and rest of the world, based on the ship to location requested by the customer was as follows:

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Three Months Ended
September 30,
Three Months Ended
March 31,
2019 2018 20202019
China48% 56%China60 %57 %
Americas25% 28%Americas19 %18 %
Rest of world27% 16%Rest of world21 %25 %
Total revenue100% 100%Total revenue100 %100 %
The reductionincrease in the proportion of shipments to China iswas due to strong growthChina strength during the three months ended March 31, 2020. Shipment to all regions was up in dollar terms from the west coupled with the reductionssame period in shipments to Huawei due to their placement on the Entity List.2019. Shipments to the Americas and to the rest of the world are mainly to contract manufacturers for non-China based network equipment manufacturers ("NEMs").
Nine Months Ended September 30, 2019 Compared With Nine Months Ended September 30, 2018
Revenue increased by $22.0 million, or 10%, in the nine months ended September 30, 2019, compared to the same period in 2018, as described in "Business Overview" above reflecting a recovery in volume. In the nine months ended September 30, 2019, High Speed Products represented approximately 90% of total revenue, compared to 85% of total revenue in the same period in 2018, while Network Products and Solutions represented approximately 10% of total revenue in the nine months ended September 30, 2019, compared to approximately 15% of total revenue in the same period a year ago.
In the nine months ended September 30, 2019 and 2018, respectively, revenue from China, Americas and rest of the world, based on the ship to location requested by the customer was as follows:
 Nine Months Ended
September 30,
 2019 2018
China51% 58%
Americas22% 23%
Rest of world27% 19%
Total revenue100% 100%
Cost of Goods Sold and Gross Profit
Our cost of goods sold consists primarily of the cost to produce wafers and to manufacture and test our products. Additionally, our cost of goods sold generally includes stock-based compensation, write-downs of excess and obsolete inventory, amortization of certain purchased intangible assets, depreciation, acquisition-related fair value adjustments, restructuring charges, warranty costs, royalty payments, logistics and allocated facilities costs. 
Gross profit as a percentage of total revenue, or gross margin, has been and is expected to continue to be affected by a variety of factors including the introduction of new products, production volume, factory utilization, the mix of products sold, inventory changes, changes in the average selling prices of our products, changes in the cost and volumes of materials purchased from our suppliers, changes in labor costs, changes in overhead costs or requirements, stock-based compensation, write-downs of excess and obsolete inventories and warranty costs. In addition, we periodically negotiate pricing with certain customers which can cause our gross margins to fluctuate, particularly in the quarters in which the negotiations occurred. With the Entity List, $3.6 million of Huawei specific inventory subject to EAR has been written down at the end of September 30, 2019.
As a manufacturing company, our margins are sensitive to changes in volume and factory utilization. Grossutilization, which largely contributed to the 11% gross profit improvement in the three months ended September 30, 2019 improved 5% whenMarch 31, 2020 as compared to the same period 2018, which was driven by higher volume and cost reductions, partially offset by price reductions.in 2019.


The China government has recently imposed tariffs affecting products manufactured in the United States. Certain products manufactured in our U.S. operations have been included in the tariffs imposed on imports into China from the United States. Going forward, we expect theseThese tariffs as currently applied, will increaseincreased our cost of goods sold by as much as onejust over a half of a percentage point for as long as the tariffs remainthree months ended March 31, 2020 and under a half percentage point in place.
 Three Months Ended
September 30,
     Nine Months Ended
September 30,
    
(in thousands, except percentages)2019 2018 $ Change % Change 2019 2018 $ Change % Change
Cost of goods sold$66,193
 $62,815
 $3,378
 5% $195,837
 $187,849
 $7,988
 4%
Gross profit$26,199
 $18,933
 $7,266
 38% $57,611
 $43,587
 $14,024
 32%
the same period 2019.
 Three Months Ended
September 30,
 Nine Months Ended
September 30,
 2019 2018 2019 2018
Gross profit as a % of revenue28% 23% 23% 19%
Starting in March 2020, tariffs on most of the products we imported into China have been eliminated.

 Three Months Ended
March 31,
  
(in thousands, except percentages)20202019$ Change% Change
Cost of goods sold$67,675  $63,629  $4,046  %
Gross profit$29,726  $15,737  $13,989  89 %
 Three Months Ended
March 31,
 20202019
Gross profit as a % of revenue31 %20 %

Three Months Ended September 30, 2019March 31, 2020 Compared With Three Months Ended September 30, 2018
Gross profit increased by $7.3 million, or 38%, to $26.2 million in the three months ended September 30,March 31, 2019 compared to $18.9 million in the same period in 2018. Gross margin increased to 28% in the three months ended September 30, 2019, compared to 23% in the three months ended September 30, 2018. The improvement was due to higher volume and cost reductions, offset by average selling price reductions.
Nine Months Ended September 30, 2019 Compared With Nine Months Ended September 30, 2018
Gross profit increased by $14.0 million, or 32%89%, to $57.6$29.7 million in the ninethree months ended September 30, 2019,March 31, 2020, compared to $43.6$15.7 million in the same period in 2018.2019. Gross margin increased to 31% in the three months ended March 31, 2020, compared to 20% in the three months ended March 31, 2019. The increase in gross profit was largelyprimarily driven by $16.1 million of improvement from higher volume and cost reductions,product mix, partially offset by reduction$3.2 million net increase in average selling priceinventory reserve. Increased inventory reserve was from lower demand and factory under-utilization.end-of-life products.
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Operating expenses
Personnel costs are the most significant component of operating expenses and consist of costs such as salaries, benefits, bonuses, stock-based compensation and, with regard to sales and marketing expense, other variable compensation. 
Three Months Ended
September 30,
     Nine Months Ended
September 30,
     Three Months Ended
March 31,
  
(in thousands, except percentages)2019 2018 $ Change % Change 2019 2018 $ Change % Change(in thousands, except percentages)20202019$ Change% Change
Research and development$13,688
 $13,177
 $511
 4 % $42,164
 $40,308
 $1,856
 5 %Research and development$11,884  $14,683  $(2,799) (19)%
Sales and marketing3,832
 4,351
 (519) (12)% 12,058
 12,366
 (308) (2)%Sales and marketing3,659  4,603  (944) (21)%
General and administrative7,403
 8,592
 (1,189) (14)% 22,330
 23,509
 (1,179) (5)%General and administrative6,789  7,753  (964) (12)%
Amortization of purchased intangible assets
 118
 (118) (100)% 119
 357
 (238) (67)%Amortization of purchased intangible assets—  119  (119) (100)%
Asset sale related costs12
 251
 (239) (95)% 388
 344
 44
 13 %Asset sale related costs12  329  (317) (96)%
Restructuring charges3
 1,133
 (1,130) (100)% 261
 1,786
 (1,525) (85)%Restructuring charges—  179  (179) (100)%
Gain on asset sale
 
 
  % (817) 
 (817)  %
Total operating expenses$24,938
 $27,622
 $(2,684) (10)% $76,503
 $78,670
 $(2,167) (3)%Total operating expenses$22,344  $27,666  $(5,322) (19)%
Research and development
Research and development expense consists of personnel costs, including stock-based compensation, for our research and development personnel, and product development costs, including engineering services, development software and hardware tools, depreciation of equipment and facility costs. We record all research and development expense as incurred.
Three Months Ended September 30, 2019March 31, 2020 Compared With Three Months Ended September 30, 2018March 31, 2019
Research and development expense increaseddecreased by $0.5$2.8 million, or 4%19%, in the three months ended September 30, 2019,March 31, 2020, compared to the same period in 2018.2019. The increasedecrease was primarily due to an increase in product development related expenses, partially offset by lower compensation and professional service expenses.

Nine Months Ended September 30, 2019 Compared With Nine Months Ended September 30, 2018
Researcha $1.5 million one-time license fee recorded as a reduction to research and development expense increased by $1.9 million, or 5%,and temporary push in R&D project spend due to Covid-19 shutdown in the ninethree months ended September 30, 2019, compared to the same period in 2018. The increase was primarily due to an increase in product development related costs.March 31, 2020.

Sales and marketing

Sales and marketing expense consists primarily of personnel costs, including stock-based compensation and other variable compensation, costs related to sales and marketing programs and services and facility costs.
Three Months Ended September 30, 2019March 31, 2020 Compared With Three Months Ended September 30, 2018March 31, 2019
Sales and marketing expense decreased by $0.5$0.9 million, or 12%21%, in the three months ended September 30, 2019,March 31, 2020, compared to the same period in 2018. The decrease was2019 primarily due tofrom lower personnellevels of travel and fewer marketing expenses.
Nine Months Ended September 30, 2019 Compared With Nine Months Ended September 30, 2018
Sales and marketing expense decreased by $0.3 million, or 2%, in the nine months ended September 30, 2019, compared to the same period in 2018. The decrease wasevents due to the absence of a bad debt recovery of $0.6 million, partially offset by lower marketing and personnel expenses.Covid-19 pandemic.
General and administrative
General and administrative expense consists primarily of personnel costs, including stock-based compensation, for our finance, human resources and information technology personnel and certain executive officers, as well as professional services costs related to accounting, tax, banking, legal and information technology services, depreciation and facility costs.
Three Months Ended September 30, 2019March 31, 2020 Compared With Three Months Ended September 30, 2018March 31, 2019
General and administrative expense decreased by $1.2$1.0 million, or 14%12%, in the three months ended September 30, 2019,March 31, 2020, compared to the same period in 2018.2019. The decrease is primarily due to amainly from stock-based compensation of $0.5 million, decrease in legal settlement charges, a $0.4deferred compensation plan expenses of $0.2 million decrease in loss on disposalandpersonnel expenses of property, plant and equipment, and a $0.3 million decrease in facilities-related expenses.
Nine Months Ended September 30, 2019 Compared With Nine Months Ended September 30, 2018$0.2 million.
General and administrative expense decreased by $1.2 million, or 5% in the nine months ended September 30, 2019, compared to the same period in 2018. The decrease was primarily due to a $0.5 million decrease in legal settlement charges, a $0.5 million decrease in professional service fees and a $0.7 million decrease in facilities-related expenses, partially offset by an increase in compensation related costs.
Amortization of purchased intangible assets
Our intangible assets are being amortized over their estimated useful lives. Amortization expense relating to technology, patents and leasehold interests are included within cost of goods sold, while customer relationships and other agreements are recorded within operating expenses. Purchased intangible assets related to customer relationships were fully amortized as of December 31, 2019.
Asset sale related costs
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We incurred $0.4less than $0.1 million and $0.3 million in the ninethree months ended September 30,March 31, 2020 and March 31, 2019, respectively, in asset sale related costs for legal and other professional services.
Restructuring charges
We incurred $0.3 million in the nine months ended September 30, 2019 in restructuring charges related to the disposal of NeoPhotonics Corporation, LLC, our manufacturing operations in Russia.
Gain on asset sale
In April 2019, we completed the sale of 100% interest in the operations of NeoPhotonics Corporation, LLC, our manufacturing operation in Russia to Joint Stock Company Rusnano, a related party. In connection with the sale, we received $2.0 million in cash, settled the $2.0 million exit fee and recognized a gain on asset sale of $0.8 million during the nine months ended September 30, 2019.

Interest and other income (expense), net
Interest income consists of income earned on our cash, cash equivalents and short-term investments, as well as restricted cash. Interest expense consists of amounts incurred for interest on our bank and other borrowings. Other income (expense), net is primarily made up of government subsidies as well as foreign currency transaction gains and losses. The functional currency of our subsidiaries in China is the RMB and of our subsidiary in Japan is the JPY. The foreign currency transaction gains and losses of our subsidiaries in China and Japan primarily result from transactions in U.S. dollars.

Three Months Ended
March 31,
  
Three Months Ended
September 30,
     Nine Months Ended
September 30,
    
(in thousands)2019 2018 $ Change % Change 2019 2018 $ Change % Change
(in thousands, except percentages)(in thousands, except percentages)20202019$ Change% Change
Interest income$95
 $85
 $10
 12 % $293
 $300
 $(7) (2)%Interest income$98  $99  $(1) (1)%
Interest expense(483) (540) 57
 (11)% (1,472) (2,007) 535
 (27)%Interest expense(378) (493) 115  (23)%
Other income (expense), net2,960
 1,310
 1,650
 126 % 2,452
 1,891
 561
 30 %Other income (expense), net1,198  (1,598) 2,796  (175)%
Total$2,572
 $855
 $1,717
 201 % $1,273
 $184
 $1,089
 592 %Total$918  $(1,992) $2,910  (146)%
Interest expense included in interest and other income (expense), net decreased in the three and nine months ended September 30, 2019,March 31, 2020, as compared to the same periodsperiod in 2018.2019. The decrease in interest expense was due to a decrease in outstanding borrowings during the three and nine months ended September 30,March 31, 2020 compared to the same period in 2019. Other income (expense), net included in interest and other income (expense), net, increased in the three months ended September 30, 2019,March 31, 2020, as compared to the same periodsperiod in 2018,2019, primarily due to a foreign exchange gain of $2.6 million. Other income (expense), net included$1.3 million in interest and other income (expense), net increased in the ninethree months ended September 30, 2019, asMarch 31, 2020 compared towith $1.7 million foreign exchange loss for the same periodsperiod in 2018, primarily due to a foreign exchange gain of $2.6 million.2019.
Income taxes 
We conduct our business globally and our operating income is subject to varying rates of tax in the U.S., China, Japan and other various foreign jurisdictions. Consequently, our effective tax rate is dependent upon the geographic distribution of our earnings or losses and the tax laws and regulations in each geographical region. Historically, we have experienced net losses in the U.S. and in the short term, we expect this trend to continue. 
Three Months Ended
March 31,
  
Three Months Ended
September 30,
     Nine Months Ended
September 30,
    
(in thousands)2019 2018 $ Change % Change 2019 2018 $ Change % Change
(in thousands, except percentages)(in thousands, except percentages)20202019$ Change% Change
Income tax provision$(1,561) $(291) $(1,270) 436% $(1,526) $(2,009) $483
 (24)%Income tax provision$(1,993) $(170) $(1,823) 1,072 %
Our income tax provision in the three and nine months ended September 30,March 31, 2020 and 2019 and 2018 was primarily related to charges on the income of our non-U.S. operations.
Liquidity and capital resources
As of September 30, 2019,March 31, 2020, we had working capital of $113.9$133.4 million, including total cash, cash equivalents, short-term investments and restricted cash of $79.8$109.5 million. Approximately 22%25% of our total cash, cash equivalents, short-term investments and restricted cash were held by our foreign entities, including approximately $15.2$20.8 million in accounts held by our subsidiaries in China, of which $10.8$10.9 million was in restricted cash, and approximately $2.1$6.3 million in accounts held by our subsidiary in Japan. Cash, cash equivalents, short-term investments and restricted cash held outside of the U.S. may be subject to taxes if repatriated and may not be immediately available for our working capital needs.
Approximately $9.0$9.2 million of our retained earnings within our total accumulated deficit as of December 31, 20182019 was subject to restrictions due to the fact that our subsidiaries in China are required to set aside at least 10% of their respective accumulated profits each year end to fund statutory common reserves. This restricted amount is not distributable as cash dividends except in the event of liquidation.
In September 2017 we entered into a revolving line of credit agreement with Wells Fargo Bank, National Association ("Wells Fargo") as the administrative agent for a lender group (the "Wells Fargo Credit Facility" or "Credit Facility").

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The Wells Fargo Credit Facility provides for borrowings equal to the lower of (a) a maximum revolver amount of $50.0 million, or (b) an amount equal to 80% - 85% of eligible accounts receivable plus 100% of qualified cash balances up to $15.0 million, less certain discretionary adjustments ("Borrowing Base"). The maximum revolver amount may be increased by up to $25.0 million, subject to certain conditions. At closing, $50.0 million was available, of which $30.0 million was drawn. We used $20.0 million of this amount to pay the principal and interest due under the Comerica Bank Credit Facility, which has since been terminated.
The Credit Facility matures on June 30, 2022 and borrowings bear interest at an interest rate option ofeither (a) the LIBOR rate, plus an applicable margin ranging from 1.50% to 1.75% per annum, or (b) the prime lending rate, plus an applicable margin ranging from 0.50% to 0.75% per annum. We are also required to pay a commitment fee equal to 0.25% of the unused portion of the Credit Facility.
The Credit Facility agreement requires prepayment of the borrowings to the extent the outstanding balance is greater than the lesser of (a) the most recently calculated Borrowing Base, or (b) the maximum revolver amount. The Borrowing Base calculation contains a customary provision that gives the lender the ability to reduce the Borrowing Base by reserves that are subjectively determinable, which is considered a subjective acceleration clause. We are required to maintain a combination of certain defined cash balances and unused borrowing capacity under the Credit Facility of at least $20.0 million, of which at least $5.0 million must be unused borrowing capacity. Borrowings under the Credit Facility are collateralized by substantially all of our assets.
On June 14, 2019, we entered into a First Amendment to the Credit Facility (the "Amended Credit Facility"). The Amendment removes Huawei from the list of “Eligible Accounts” as a basis for our borrowing while Huawei is on the Entity List. During the period of time while Huawei remains on the Entity List, the concentration limits of certain other customers are increased to partially offset the removal of Huawei. Additionally, until Huawei is no longer on the Entity List, we are required to maintain a temporary combination of certain defined unrestricted cash and unused borrowing capacity under the credit facility of at least $30.0 million in the U.S. and $40.0 million world-wide, of which at least $5.0 million shall include unused borrowing capacity.
We were in compliance with the covenants of this Credit Facility as of September 30, 2019.March 31, 2020. As of September 30, 2019,March 31, 2020, the outstanding balance under the Credit Facility was $32.0$26.6 million and the weighted average rate under the LIBOR option was 3.90%2.93%. The remaining borrowing capacity as of September 30, 2019March 31, 2020 was $12.4$7.1 million, of which $5.0 million is required to be maintained as unused borrowing capacity.
We regularly issue short-term notes payable to our suppliers in China in exchange for accounts payable. These notes are supported by non-interest bearing bank acceptance drafts and are due three to six months after issuance. As a condition of the notes payable arrangements, we are required to keep a compensating balance at the issuing banks that is a percentage of the total notes payable balance until the amounts are settled. As of September 30, 2019,March 31, 2020, our subsidiary in China had two line of credit facilities with banking institutions.
Under these line of credit facilities, the non-interest bearing bank acceptance drafts issued in connection with our notes payable to our suppliers in China, had no outstanding balance at September 30, 2019March 31, 2020 and an outstanding balance of $4.8 million as of December 31, 2018.2019. Compensating balances relating to these credit facilities totaled $2.6$2.5 million as of March 31, 2020 and December 31, 2018.2019. Compensating balances are classified as restricted cash on our condensed consolidated balance sheets.
As of September 30, 2019,March 31, 2020, we had two loan arrangements with MUFG Bank, Ltd. (collectively the “Mitsubishi Bank Term Loans”) and a third loan arrangement with the MUFG Bank, Ltd. and The Yamanashi ChouChuo Bank, Ltd. One of Mitsubishi Bank Term Loans requires equal monthly payments of principal equal to 8.3 million JPY (approximately $0.1 million) until the maturity date of February 25, 2025, with a lump sum payment of the balance of 8.4 million JPY (approximately $0.1 million) on the maturity date. Interest on this loan accrues and is paid monthly based upon the annual rate of the monthly Tokyo Interbank Offer Rate (TIBOR) plus 1.40% and is secured by manufacturing equipment owned by our subsidiary in Japan. The second term loan of 690.0 million JPY (approximately $6.4 million) (the “2017 Mitsubishi Bank Loan”) was entered into in March 2017 to acquire manufacturing equipment for our Japanese subsidiary and has an annual interest rate of the monthly TIBOR rate plus 1.00%. The 2017 Mitsubishi Bank Loan requires monthly interest and principal payments over 72 months commencing in April 2018. This loan was available from March 31, 2017 to March 30, 2018 and 690.0 million JPY (approximately $6.4 million) under this loan was fully drawn in March 2017. In January 2018, we entered into a term loan agreement with MUFG Bank, Ltd. and The Yamanashi ChouChuo Bank, Ltd. for a term loan in the aggregate principal amount of 850.0 million JPY (approximately $7.9 million) (the "Mitsubishi-Yamanashi Term Loan"). The Mitsubishi-Yamanashi Term Loan was available from January 29, 2018 to January 29, 2025. The full amount of the Mitsubishi-Yamanashi Term Loan was drawn on January 29, 2018. Interest on the Mitsubishi-Yamanashi Term Loan is based upon the annual rate of the three months TIBOR rate plus 1.00%. The Mitsubishi-Yamanashi Term Loan requires quarterly interest payments, along with the principal

payments, over 82 months commencing in April 2018. As of September 30, 2019,March 31, 2020, our aggregate outstanding principal balance
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under Mitsubishi Bank Term Loans and Mitsubishi-Yamanashi Term Loan was 1.71.6 billion JPY (approximately $16.0$14.4 million). Refer to Note 98 of Notes to Condensed Consolidated Financial Statements in Item 1 of Part I of this Report for further details.
From time to time we accept notes receivable in exchange for accounts receivable from certain of our customers in China. These notes receivable are non-interest bearing and are generally due within six months. Historically, we have collected on the notes receivable in full at the time of maturity.
In the first ninethree months of 2019,2020, we generated operating lossesincome of $18.9$7.4 million and cash from operations was $18.4$24.9 million. We had an accumulated deficit of $416.6$408.2 million as of September 30, 2019.March 31, 2020. As of September 30, 2019,March 31, 2020, the remaining borrowing capacity under our revolving line of credit agreement with Wells Fargo, was $12.4$7.1 million, of which $5.0 million is required to be maintained as unused borrowing capacity. Additionally, we had $3.1 million of current portion of long-term debt as of September 30, 2019,March 31, 2020, which we plan to pay out of our existing available cash.
In China, when there is a case pending in judicial court, banks may choose to limit borrowing against existing credit lines, regardless of the legitimacy of the case. We have a dispute pending with APAT OE in judicial court. (Refer to Note 1211 of Notes to Condensed Consolidated Financial Statements in Item 1 of Part I of this Report for further details).details.) We do not expect to make any additional draws against our credit facilities in China until this matter is resolved. We have sufficient cash and credit lines available in the U.S., and believe this will not adversely impact our operations in China.
On May 16, 2019, the BIS added Huawei and certain affiliates to the Entity List, with an effective date of May 21, 2019. This denies Huawei the ability to purchase products, software and technology that are subject to EAR. As Huawei is our largest customer, this is expected to have a material impact on our forecasted revenue and profitability. To adjust to the revised forecast, we have adjusted capital expenditures, operating expenditures, project plans and reset incoming materials to adjust to changing demand levels. We continue to implement actions to improve cash flow and profitability.
We currently believe we will have sufficient resources to fund our currently planned operations and expenditures over the next twelve months without additional financing or other actions. In addition, we believe we have a number of ongoing and potential actions that may further strengthen our projected cash and projected financial position. 
Rusnano Rights Agreement
Under our amended rights agreement, dated June 30, 2015, with Rusnano, one of our principal stockholders, we agreed to make a $30.0 million investment commitment (the “Investment Commitment”) toward our Russian operations. If certain of the Investment Commitments were not achieved in the indicated time frames through 2019, we had the ability to exit our Russian operations by paying an exit fee of up to $2.0 million at that time. Refer to Note 12 in Notes to Condensed Consolidated Financial Statements in Item 1 of Part I of this Report for further details.
In April 2019, we completed the sale of 100% interest in the operations of NeoPhotonics Corporation, LLC, our manufacturing operations in Russia, to Rusnano. In connection with the sale, we received $2.0 million in cash and settled the $2.0 million exit fee.
Cash flow discussion 
The table below sets forth selected cash flow data for the periods presented:
Nine Months Ended
September 30,
Three Months Ended
March 31,
(in thousands)2019 2018(in thousands)20202019
Net cash provided by operating activities$18,389
 $8,997
Net cash provided by operating activities$24,926  $8,699  
Net cash used in investing activities(4,235) (11,251)Net cash used in investing activities(2,493) (3,639) 
Net cash used in financing activities(10,725) (21,456)Net cash used in financing activities(1,781) (3,281) 
Effect of exchange rates on cash, cash equivalents and restricted cash(444) (560)Effect of exchange rates on cash, cash equivalents and restricted cash(254) 353  
Net increase (decrease) in cash, cash equivalents and restricted cash$2,985
 $(24,270)
Net increase in cash, cash equivalents and restricted cashNet increase in cash, cash equivalents and restricted cash$20,398  $2,132  
Operating activities
Net cash provided by operating activities was $18.4$24.9 million in the ninethree months ended September 30, 2019,March 31, 2020, compared to $9.0$8.7 million net cash used inprovided by operating activities in the same 2018 period.period in 2019. The net cash provided by operating activities increased primarilyby $16.2 million due to a lowerthe increase in net loss from operationsincome of $17.8$20.4 million, a decrease of $2.2$0.4 million net increase in losses on foreign currency hedges, an increase of $3.6 million innon-cash adjustments primarily related to write-down of inventories $8.9 million of higher net collection of accounts receivable, and a net increase in accounts payable of $3.9 million,depreciation and amortization, partially offset by a net increase in inventories of $9.5 million, a net decrease in prepaid expensesworking capital of $1.6 million due to timing of payments, collection efforts and other current assets of $4.0 millioninventory management, and a net decrease of foreign currency remeasurement by $2.9 million, primarily due to appreciation in accrued and other liabilities of $11.8 million when compared to 2018.U.S. dollar against RMB.
Investing activities
Net cash used in investing activities was $4.2$2.5 million in the ninethree months ended September 30, 2019,March 31, 2020, compared to $11.3$3.6 million used in investing activities in the same 2018 period.period in 2019. The decrease in cash flows used in investing activities was
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primarily due to a decrease in purchases of property, plant and equipment of $8.1$1.0 million and an increase in proceeds from the sale of property, plant and equipment and other assets of $2.1$0.1 million, and an increase of $1.8 million in settlement of foreign currency hedges when compared to 2018, partially offset by a decrease of $5.0 million in proceeds from the sale of marketable securities.2019.
Financing activities
Net cash used in financing activities was $10.7$1.8 million in the ninethree months ended September 30, 2019,March 31, 2020, compared to $21.5$3.3 million used in financing activities in the same 2018 period.period in 2019. The decrease in cash flows used in financing activities was primarily due to a decrease in net payments under our credit facilities and term loansdebt arrangements of $20.7$4.0 million, offset by a net increasedecrease in net payments of notes payable of $7.0$2.6 million offset by a net decrease in proceeds from government grantsbank loans of $1.2 million, and a net decrease in proceeds from the exercise of stock options of $1.6$5.0 million when compared to the same period in 2018.2019.
Off-balance Sheet Arrangements 
As of September 30, 2019,March 31, 2020, we did not have any significant off-balance sheet arrangements.
Recent Accounting Pronouncements
Refer to Note 1 “Basis of presentation and significant accounting policies” in the Notes to Condensed Consolidated Financial Statements in Item 1 of Part I of this Quarterly Report on Form 10-Q for a description of recent accounting pronouncements and accounting changes.

 ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK  
Starting in July 2016, we entered into foreign currency forward contracts to minimize the short-term impact of foreign currency exchange rate fluctuations, related to RMB on our intercompany receivables and payables. Beginning in the three months ended September 30, 2018, we have temporarily discontinued entering into forward exchange contracts. This may increase the risks to us arising from the short-term impact of foreign currency fluctuations. Other than the foregoing, ourOur exposures to other market risk have not changed materially since December 31, 2018.2019. For quantitative and qualitative disclosures about market risk, see Item 7A Quantitative and Qualitative Disclosures About Market Risk, in our Annual Report on Form 10-K10-K/A for the year ended December 31, 2018.2019. 

ITEM 4. CONTROLS AND PROCEDURES
Evaluation of Disclosure Controls and Procedures
Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of the design and operation of our disclosure controls and procedures as of September 30, 2019.March 31, 2020. The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.
Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, as of the end of the period covered in this report, our disclosure controls and procedures were effective at a reasonable assurance level.
Changes in Internal Control over Financial Reporting
There have not been any changes in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Securities and Exchange Act of 1934, as amended) for the quarter ended September 30, 2019March 31, 2020 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. 
Inherent Limitation on the Effectiveness of Internal Controls
The effectiveness of any system of internal control over financial reporting is subject to inherent limitations, including the exercise of judgment in designing, implementing, operating, and evaluating the controls and procedures, and the inability to eliminate misconduct completely. Accordingly, any system of internal control over financial reporting can only provide reasonable, not absolute assurances. In addition, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. We intend to continue to monitor and upgrade our internal controls as necessary or appropriate for our business, but cannot assure that such improvements will be sufficient to provide us with effective internal control over financial reporting.

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PART II. OTHER INFORMATION
 
ITEM 1. LEGAL PROCEEDINGS
From time to time, we are involved in litigation that we believe is of the type common to companies engaged in our line of business, including commercial disputes and employment issues. As of the date of this Quarterly Report on Form 10-Q, other than as described below, we are not involved in any pending legal proceedings that we believe could have a material adverse effect on our financial condition, results of operations or cash flows. However, as described below, a certain dispute involves a claimdisputes in the future may involve claims by a third party that our activities infringe their intellectual property rights. ThisThese and other types of intellectual property rights claims generally involve the demand by a third party that we cease the manufacture, use or sale of the allegedly infringing products, processes or technologies and/or pay substantial damages or royalties for past, present and future use of the allegedly infringing intellectual property. Claims that our products or processes infringe or misappropriate any third-party intellectual property rights (including claims arising through our contractual indemnification of our customers) often involve highly complex, technical issues, the outcome of which is inherently uncertain. Moreover, from time to time, we may pursue litigation to assert our intellectual property rights. Regardless of the merit or resolution of any such litigation, complex intellectual property litigation is generally costly and diverts the efforts and attention of our management and technical personnel which could adversely affect our business.
For a discussion of our current legal proceedings, please refer to the information set forth under the “Litigation” section in Note 12,11, Commitments and Contingencies, in Notes to Condensed Consolidated Financial Statements in Item 1 of Part I of this Quarterly Report on Form 10-Q, which is incorporated herein by reference.
ITEM 1A. RISK FACTORS 
Except for those risk factors denoted by an asterisk (*), the risk factors facing our company have not changed materially from those set forth in Part I, Item 1A of our Annual Report on Form 10-K10-K/A for the year ended December 31, 2018,2019, as filed with the SEC on March 8, 2019,3, 2020, which risk factors are set forth below. 
Risks Associated with Our Business
*We are dependent on Huawei Technologies Co., Ltd. and its affiliate HiSilicon Technologies Co., Ltd. and on four other customers for a large portion of our revenue and the loss of, or a significant reduction in orders in any period from Huawei or any of these major customers may reduce our revenue and adversely impact our results of operations.
The telecommunications systems market is concentrated with approximately ten global network equipment manufacturing companies having collectively more than 90% market share. In the ninethree months ended September 30,March 31, 2020 and 2019 and 2018, Huawei Technologies Co. Ltd., together with its affiliate HiSilicon Technologies Co., Ltd. (collectively “Huawei”) accounted for approximately 41%52% and 47%49% of our revenue, respectively. OneRevenue generated from one other customer in the ninethree months ended September 30,March 31, 2020 and 2019 and 2018 was greater than 10% of our revenue. We have generated most of our revenue from a limited number of customers. In the ninethree months ended September 30,March 31, 2020 and 2019, and 2018, our top five customers represented 84%85% and 89%87% of our revenue respectively. The loss of, or a significant reduction in orders from, any of these major customers would materially and adversely affect our revenue and results of operations.
*
We are subject to governmental export and import controls that could subject us to liability, impair our ability to compete in international markets, or restrict our sales to certain customers. In particular, U.S. governmental export control actions have significantly limitedimpacted our sales to Huawei, which has had (and may continue to have) a material adverse effect on our business, financial condition and results of operations.
On
We are subject to export and import control laws, trade regulations and other trade requirements that limit which products we sell and where and to whom we sell our products. In some cases, it is possible that export licenses would be required from the U.S. or other government agencies outside the U.S. such as, but not limited to, Japan or China for some of our products in accordance with various statutes or regulations. In addition, various countries regulate the export or import of certain technologies and have enacted laws that could limit our ability to distribute our products. Failure to comply with these and similar laws on a timely basis, or at all, or any limitation on our ability to export or sell our products or to obtain any required licenses would adversely affect our business, financial condition and results of operations.

In May 16, 2019, the U.S. Commerce Department's Bureau of Industry and Security, or BIS, added Huawei and certain affiliates to the BIS Entity List ("Entity List") with an effective date of May 21, 2019.. Absent a license, this action prevents Huawei from purchasing products,
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software and technology that are subject to U.S. Export Administration Regulations (EAR). To ensure compliance, we immediately suspended shipments to Huawei and began a systematic assessment of our products sold to Huawei to determine how these products are, or are not, subject to the restrictions resulting from the Entity List. This suspension had an immediate impact on the level of our products shipments to Huawei in the second quarter of 2019, which significantly affected our revenue for the second quarter and third quarters.
the remainder of 2019. We have consulted closely with legal and technical experts, in order to determine which of our products and associated technology, notably our foreign-manufactured products, are not subject to EAR or have de minimis content subject to EAR and may be lawfully sold to Huawei and its affiliates. Each product and associated technology must be reviewed individually in a detailed, specific and time consuming process, and these reviews are ongoing.process. Consequently, we have reset our business approach with and shipments to Huawei to consist of only

products that have been determined to be not subject to the EAR regulations. During 2018, non-EAR products were over half of our revenue from salesregulations or that have de minimis content subject to Huawei. Some shipments of non-EAR products resumed late in the second quarter of 2019.EAR regulations.

On or shortly after June 29, 2019, President Trump announced that U.S. firms would begovernment officials allowed to sell to Huawei while trade negotiations were ongoing. Administration officials subsequently clarified that companies couldto apply for temporary export licenses for products subject to EAR and that these licenses might be granted if the product was deemed not to be a risk to national security. We have submitted license applications for certain products and associated technology having elements subject to EAR,EAR. To date, we have received a license for limited, but at the timenot material, volumes of the filing of this Quarterly Report on Form 10-Q no licenses have been granted.U.S. origin lasers. There can be no assurance as to which products or technology may qualify for a license, or that any such licenses will be granted in a timely manner or at all. Furthermore, there can be no assurance that the U.S. government will not challenge our determination of which products and associated technology are not subject to the EAR regulations.

Even if licenses are obtained, or if the EAR restrictions are lifted or modified to allow us to sell the same types of products we have sold historically, Huawei may decide not to resume the full level of purchases ofpurchase these products for various reasons, including to reduce its own risks of being exposed to disruptions of its supply chain.

A continued significant reduction in orders from Huawei as a result of these U.S. export control actions would materially and adversely affect our business, financial condition, and results of operations.

*The Covid-19 pandemic could harm our operations and our financial operations.

On March 12, 2020, the World Health Organization declared the Covid-19 coronavirus to be a pandemic. In an effort to contain and mitigate the spread of Covid-19, many countries, including China and the United States, have imposed significant restrictions on travel and business and government operations. There have been business closures and a substantial reduction in economic activity in countries that have had significant outbreaks of Covid-19.

Our operations and supply chain are and could continue to be impacted by the implications of the Covid-19 pandemic, which could harm our future revenue and financial condition and increase our costs and expenses. Our manufacturing operations in Silicon Valley, California; Tokyo, Japan; and Shenzhen and Dongguan, China have been affected and could continue to be affected with actions such as being temporarily shut down, requiring longer lead times or being subject to logistics issues. The same issues could impact key suppliers in Patumthanee, Thailand, and Ottawa, Canada and other locations throughout United States and Asia. The efficiency of our business operations (including sales and research and development) could also be reduced as a result of compliance with shelter-in-place orders in Silicon Valley, California; Ottawa, Canada; and Shenzhen and Wuhan, China.

Similarly, our worldwide operations could be subject to secondary effects of the pandemic. Even if our facilities are not directly affected, the pandemic and its effects could substantially disrupt the business of our suppliers or customers, which could have a material adverse effect on us.

Accordingly, we may experience significant disruptions as a result of the Covid-19 pandemic that could materially impact our business, including:

slower customer deployments of systems using our products due to uncertainty in the business climate;

reduced demand for our products;

disruptions of the supply chain of components needed for our products; and

disruptions of our ability to conduct sales, marketing, product development and other important business activities.

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The extent to which the Covid-19 pandemic may impact our business will depend on future developments, which are highly uncertain and cannot be predicted with confidence, such as the duration of the outbreak, travel restrictions, governmental mandates issued to mitigate the spread of the disease, business closures, economic disruptions, and the effectiveness of actions taken to contain and treat the virus.Accordingly, we expect the Covid-19 pandemic may have a negative impact on our sales and our results of operations, the size and duration of which we are currently unable to predict.We are not insured against major public health events, including the Covid-19 pandemic.

To the extent the Covid-19 pandemic adversely affects our business and financial results, it may also have the effect of heightening many of the other risks described in this ‘‘Risk Factors’’ section, such as reduced spending for communications networks, fluctuations in customer demand, manufacturing and supply constraints, and our ability to raise capital (if necessary).

We face intense competition which could negatively impact our results of operations and market share.

The communications networks industry is highly competitive. Our competitors range from large international companies offering a wide range of products to smaller companies specializing in niche products.

Some of our competitors have substantially greater name brand recognition, technical, financial, and marketing resources, and greater manufacturing capacity, as well as better-established relationships with customers, than we do. Some of our competitors have more resources to develop or acquire, and more experience in developing or acquiring, new products and technologies. Some of our competitors may be able to develop new products more quickly than us and may be able to develop products that are more reliable or which provide more functionality than ours. In addition, some of our competitors have the financial resources to offer competitive products at below-market pricing levels that could prevent us from competing effectively and result in a loss of sales or market share or cause us to lower prices for our products.

We also face competition from some of our customers who evaluate our capabilities against the merits of manufacturing products internally, including Huawei. Due to the fact that such customers are not seeking to make a comparable profit directly from the manufacture of these products or for other reasons, they may have the ability to provide competitive products at a lower total cost than we would charge such customers. As a result, these customers may purchase less of our products and there would be additional pressure to lower our selling prices which, accordingly, would negatively impact our revenue and gross margin.

In December 2017, the Chinese Government Ministry of Industry and Information Technology announced a five-year optical component technology roadmap with the aim to reduce China’s dependency on non-domestic companies for high-end optical chips and sub-components, including some products manufactured and sold by us. This announcement continues an ongoing trend in China to build domestic industry in this area and, while we believe local Chinese component suppliers do not currently have the capability to supply the highest performance optical chips and sub-components, those companies may over time develop such capability and negatively impact our revenue and financial performance if we do not continue to innovate and maintain our lead in the highest speed and performance optical components. This trend may accelerate as a result of the current Huawei listing on the Entity List and U.S.-China trade tensions.

We are subject to risks and uncertainties related to our revenue growth outlook in China.

Fiber optics telecommunication growth in China is an important contributor to our success. We expect a major portion of our revenue to come from companies supporting China infrastructure spending in wireline and wireless networks, notably from the three largest China telecom carriers, China Mobile Communications Corporation, China Telecommunications Corporation and China United Network Communications Group Co., Ltd. In part, this infrastructure spending originates from the publicly announced China Broadband 2020 and related initiatives. In 2017, slower than anticipated spending and tender awards from the China telecom carriers, reduced spending under these tender awards initiatives and excess inventory accumulated and held by our leading customers in China, adversely affected our financial condition and results of operations. While these conditions improved in 2018 and in the first nine months of 2019, ifIf the anticipated Chinese spending and carrier tender awards do not increase as anticipated, or if there are further unanticipated and/or prolonged delays in the Chinese initiative, our business, financial condition, results of operations and prospects would be further adversely affected.


*We are subject to global governmental export and import controls that could subject us to liability, impair our ability to compete in international markets, or restrict our sales to certain customers.
We are subject to export and import control laws, trade regulations and other trade requirements that limit which products we sell and where and to whom we sell our products. In some cases, it is possible that export licenses would be required from the U.S. or other government agencies outside the U.S. such as, but not limited to, Japan or China for some of our products in accordance with various statutes or regulations, such as the EAR regulations discussed above. In addition, various countries regulate the export or import of certain technologies and have enacted laws that could limit our ability to distribute our products. Failure to comply with these and similar laws on a timely basis, or at all, or any limitation on our ability to export or sell our products or to obtain any required licenses would adversely affect our business, financial condition and results of operations.
*Continued tension in U.S.-China trade relations may adversely impact our business and operating results.

Beyond the BIS actions affecting our sales to Huawei, the U.S. government has recently made statements and taken certain actions that change U.S. trade policies, including recently-imposed tariffs affecting certain products manufactured in China. Some products manufactured by our Chinese affiliates are subject to these recently imposed tariffs if imported into the United States. In addition, the China government has taken certain reciprocal actions, including recently imposed tariffs affecting certain products manufactured in the United States. Certain of our products manufactured in our U.S. operations have been included in the tariffs imposed on imports into China from the United States. Going forward, we expect these tariffs, as currently applied, will increase our cost of goods sold by about one percentage point for as long as the tariffs remain in place.
It is unknown whether and to what extent
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additional new tariffs (or other new laws or regulations) will be adopted that increase the cost of importing products to or from the United States, or from China to the United States. Further, it is unknown what effect that any such new tariffs or retaliatory actions would have on us or our industry and customers. As additional new tariffs, legislation and/or regulations are implemented, or if existing trade agreements are renegotiated or if China or other affected countries take retaliatory trade actions, such changes could have a material adverse effect on our business, financial condition, results of operations or cash flows.
We have had a history of losses which may recur in the future.
We have had a history of losses and we may incur additional losses in future periods. As of September 30, 2019, our accumulated deficit was $416.6 million. We continue to review our expenditures related to the ongoing operations of our business for their effectiveness. These include expenditures related to the sales, marketing and development of our products and to maintain our manufacturing facilities and research and development operations. Operations and assets that are deemed to be less effective may be subject to restructuring, which could lead to increased operating losses in future periods when and if restructuring charges are incurred.
We may need to raise additional capital in order to pursue our business strategies or maintain our operations, and we may not be able to obtain capital when desired on favorable terms, if at all, or without dilution to our stockholders.
We believe that our existing cash and cash equivalents, and cash flows from our operating activities and funds available under our credit facilities will be sufficient to meet our anticipated cash needs for at least the next 12 months. However, we operate in an industry that makes our prospects difficult to evaluate. It is possible that we may not generate sufficient cash flow from operations or otherwise have the capital resources to meet our future capital needs. If this occurs, we may need additional financing to continue operations or execute on our current or future business strategies, including to: 
invest in our research and development efforts, including by hiring additional technical and other personnel;
maintain and expand our operating or manufacturing infrastructure;
acquire complementary businesses, products, services or technologies; or
otherwise pursue our strategic plans and respond to competitive pressures.
We do not know with certainty what forms of financing, if any, will be available to us. If financing is not available on acceptable terms, if and when needed, our ability to fund our operations, enhance our research and development and sales and marketing functions, develop and enhance our products, respond to unanticipated events, including unanticipated opportunities, or otherwise respond to competitive pressures could be adversely impacted. In any such event, our business, financial position and results of operations could be materially harmed. Moreover, if we raise additional funds through the issuance of equity or convertible debt securities, the percentage ownership of our stockholders could be significantly diluted, and these newly issued securities may have rights, preferences or privileges senior to those of existing stockholders. If we fail to raise sufficient additional capital if needed, we may not be able to completely execute our business plan and may not be able to continue our operations without further reducing expenses.

If we incur additional indebtedness through arrangements such as credit agreements or term loans, such arrangements may impose restrictions and covenants that limit our ability to respond appropriately to market conditions, make capital investments or take advantage of business opportunities. In addition, any additional debt arrangements we may enter into would likely require us to make regular interest payments, which could adversely affect our results of operations.
Our future results of operations may be subject to volatility as a result of exposure to fluctuations in foreign exchange rates, primarily the Chinese Renminbi (RMB) and Japanese Yen (JPY) exchange rates.
We are exposed to foreign exchange risks. Foreign currency fluctuations may adversely affect our revenue and our costs and expenses, and hence our results of operations. A substantial portion of our business is conducted through our subsidiaries based in China, whose functional currency is the RMB and Japan, whose functional currency is the JPY. The value of the RMB against the U.S. dollar and other currencies and the value of the JPY against the U.S. dollar and other currencies fluctuate and are affected by, among other things, changes in political and economic conditions.
To the extent that transactions by our subsidiaries in China and Japan are denominated in currencies other than the RMB and JPY, we bear the risk that fluctuations in the exchange rates of the RMB and JPY in relation to other currencies could decrease our revenue or increase our costs and expenses, therefore having an adverse effect on our future results of operations.
While we generate a significant portion of our revenue in U.S dollars, a significant portion of our cost of goods sold are in RMB and JPY. Therefore appreciation in RMB and JPY against the U.S. dollar would negatively impact our cost of goods sold upon translation to U.S. dollars.
Since July 2016, we entered into hedging transactions to reduce the short-term impact of foreign currency fluctuations. Beginning in the second half of 2018, we temporarily discontinued entering into foreign currency forward contracts. This may increase the risks to us arising from the short-term impact of foreign currency fluctuations. If we resume using hedging transactions to reduce our risks in this area, the availability and effectiveness of these hedging transactions may be limited and we may not be able to successfully hedge our exposure. In addition, our currency exchange variations may be magnified by Chinese exchange control regulations that restrict our ability to convert RMB into foreign currency.
*Covenants in our borrowing arrangements may limit our flexibility in responding to business opportunities and competitive developments and increase our vulnerability to adverse economic or industry conditions.
We have lending arrangements with several financial institutions, which generally require us to maintain certain financial covenants and limit our ability to take certain actions such as incurring some kinds of additional debt, paying dividends, or engaging in certain transactions like mergers and acquisitions, investments and asset sales without the lenders’ consent. These restrictions may limit our flexibility in responding to business opportunities, competitive developments and adverse economic or industry conditions. In addition, a breach of any of these covenants, or a failure to pay interest or indebtedness when due under any of our credit facilities, could result in a variety of adverse consequences, including the acceleration of our indebtedness.
While we rely on many suppliers, there are a few which, if they stopped, decreased or delayed shipments to us, it could have an adverse effect on our business and financial results.
We depend on a limited number of suppliers for certain components and materials we have qualified to use in the manufacture of certain of our products. Some of these suppliers could disrupt our business if they stop, decrease or delay shipments or if the components they ship have quality, consistency, or business continuity issues. Some of these components and materials are available only from a sole source, or have been qualified only from a single source. We may also face component shortages if we experience increased demand for components beyond what our qualified suppliers can deliver. If we experience component shortages from certain key suppliers, we may be unable to meet customer demand or may have higher purchasing costs, or both. Although we engage in various actions to mitigate the impact of these shortages, any inability on our part to obtain sufficient quantities of critical components at reasonable costs could adversely affect our ability to meet demand for our products, which could cause our revenue, results of operations, or both to suffer.
Our customers generally restrict our ability to change the component parts in our modules without their approval and such changes may require repeating product qualification processes. The reliance on a sole supplier, single qualified vendor or limited number of suppliers could result in delivery and quality problems, reduced control over product pricing, reliability and performance and an inability to identify and qualify another supplier in a timely manner. Any supply deficiencies relating to the quality, quantities or timeliness of delivery of components that we use to manufacture our products could adversely affect our ability to fulfill our customer orders and our results of operations.

*Manufacturing problems and supply constraints could impact manufacturing yields or result in delays in product shipments to customers and could adversely affect our revenue, competitive position and reputation.

We may experience delays, disruptions or quality control problems in our manufacturing operations or supply chain constraints, which could adversely impact manufacturing volumes, yields or delay product shipments. As a result, we could incur additional costs that would adversely affect our gross margin, and product shipments to our customers could be delayed beyond the shipment schedules requested by our customers, which would negatively affect our revenue, competitive position and reputation.

Additionally, manufacturing of new products and manufacturing yields more generally depend on a number of factors, including the stability and manufacturability of the product design, manufacturing improvements gained over cumulative production volumes, the quality and consistency of component parts and the nature and extent of customization requirements by customers. Capacity constraints, raw materials shortages, logistics issues, labor shortages, volatility in utilization of manufacturing operations, supporting utility services and other manufacturing supplies, the introduction of new product lines, rapid increases in production demands and changes in customer requirements, manufacturing facilities or processes, or those of some third party contract manufacturers and suppliers of raw materials and components have historically caused, and may in the future cause, reduced manufacturing yields, negatively impacting the gross margin on, and our production capacity for, those products.

Our ability to maintain sufficient manufacturing yields is particularly challenging with respect to PICs due to the complexity and required precision of a large number of unique manufacturing process steps. Manufacturing yields for PICs can also suffer if contaminated materials or materials that do not meet highly precise composition requirements are inadvertently utilized. Because a large portion of our PIC manufacturing costs are fixed, PIC manufacturing yields can have a substantial effect on our gross margin. Lower than expected manufacturing yields could also delay product shipments and decrease our revenue.

Further, our products contain purchased components including electronic components. It is possible that such purchased items could contain quality defects, manufacturing defects, performance problems or even counterfeit substitutes, each of which could result in manufacturing issues. As a result, we could incur additional costs that would adversely affect our gross margin, and product shipments to our customers could be delayed beyond the shipment schedules requested by our customers, which would negatively affect our revenue, competitive position and reputation.

We may need to raise additional capital in order to pursue our business strategies or maintain our operations, and we may not be able to obtain capital when desired on favorable terms, if at all, or without dilution to our stockholders.

We believe that our existing cash and cash equivalents, and cash flows from our operating activities and funds available under our credit facilities will be sufficient to meet our anticipated cash needs for at least the next 12 months. However, we operate in an industry that makes our prospects difficult to evaluate. It is possible that we may not generate sufficient cash flow from operations or otherwise have the capital resources to meet our future capital needs. If this occurs, we may need additional financing to continue operations or execute on our current or future business strategies, including to:

invest in our research and development efforts, including by hiring additional technical and other personnel;

maintain and expand our operating or manufacturing infrastructure;

acquire complementary businesses, products, services or technologies; or

otherwise pursue our strategic plans and respond to competitive pressures.

We do not know with certainty what forms of financing, if any, will be available to us. If financing is not available on acceptable terms, if and when needed, our ability to fund our operations, enhance our research and development and sales and
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marketing functions, develop and enhance our products, respond to unanticipated events, including unanticipated opportunities, or otherwise respond to competitive pressures could be adversely impacted.

If we incur additional indebtedness through arrangements such as credit agreements or term loans, such arrangements may impose restrictions and covenants that limit our ability to respond appropriately to market conditions, make capital investments or take advantage of business opportunities. In addition, any additional debt arrangements we may enter into would likely require us to make regular interest payments, which could adversely affect our results of operations.

Our future results of operations may be subject to volatility as a result of exposure to fluctuations in foreign exchange rates, primarily the Chinese Renminbi (RMB) and Japanese Yen (JPY) exchange rates.

We are exposed to foreign exchange risks. Foreign currency fluctuations may adversely affect our revenue and our costs and expenses, and hence our results of operations. A substantial portion of our business is conducted through our subsidiaries based in China, whose functional currency is the RMB and Japan, whose functional currency is the JPY. The value of the RMB against the U.S. dollar and other currencies and the value of the JPY against the U.S. dollar and other currencies fluctuate and are affected by, among other things, changes in political and economic conditions.

To the extent that transactions by our subsidiaries in China and Japan are denominated in currencies other than the RMB and JPY, we bear the risk that fluctuations in the exchange rates of the RMB and JPY in relation to other currencies could decrease our revenue or increase our costs and expenses, therefore having an adverse effect on our future results of operations.

While we generate a significant portion of our revenue in U.S dollars, a significant portion of our cost of goods sold are in RMB and JPY. Therefore appreciation in RMB and JPY against the U.S. dollar would negatively impact our cost of goods sold upon translation to U.S. dollars.

From mid-2016 to mid-2018, we entered into hedging transactions to reduce the short-term impact of foreign currency fluctuations. During the second half of 2018, we discontinued entering into foreign currency forward contracts. This may increase the risks to us arising from the short-term impact of foreign currency fluctuations. If we resume using hedging transactions to reduce our risks in this area, the availability and effectiveness of these hedging transactions may be limited and we may not be able to successfully hedge our exposure. In addition, our currency exchange variations may be magnified by Chinese exchange control regulations that restrict our ability to convert RMB into foreign currency.

Customer demand is difficult to accurately forecast and, as a result, we may be unable to optimally match production with customer demand.

We make planning and spending decisions based on our estimates of customer requirements. The short-term nature of commitments by many of our customers, and the possibility of unexpected changes in demand for their products, reduce our ability to accurately estimate future customer requirements. In 2016 and 2017, we incurred substantial capital expenditures to increase manufacturing capacity in response to strong customer demand in 2016 (particularly in China) and in expectation of continued strong demand in 2017. However, tender awards from the China telecom carriers and spending under the China Broadband 2020 and related initiatives was slower in 2017 than anticipated, which adversely affected our revenues and operating results. Although these conditions improved in 2018 and the first nine months of 2019, changes in expected worldwide and national growth rates for 2019 and 2020 could lead to increased volatility in demand, particularly from our China customers. Because many of our costs and operating expenses are relatively fixed,A sudden reduction in customer demand due to market downturns or other reasons would have a material adverse effect on our operating results, as occurred in 2017.2017, because many of our costs and operating expenses are relatively fixed.

On the other hand, on occasion, customers may require rapid increases in production, which can strain our resources, cause our manufacturing to be negatively impacted by materials shortages, necessitate higher or more restrictive procurement commitments, increase our manufacturing yield loss and scrapping of excess materials, result in delayed shipments and/or reduce our gross margins. We may not have sufficient capacity at any given time to meet the volume demands of our customers, and we may have difficulty expanding our manufacturing operations on a timely basis to meet increasing customer demand. Additionally, one or more of our suppliers may not have sufficient capacity at any given time to meet our volume demands. Any inability to meet customer demands for rapid increases in production in the future could have a material adverse effect on our business, financial condition, results of operations and prospects.


We are under continuous pressure to reduce the prices of our products, which has adversely affected, and may continue to adversely affect, our gross margins.

The communications networks industry has been characterized by declining product prices over time as technological advances increase price and performance and put pressure on existing products. We have reduced the prices of many of our products in the past, most often during annual end-of-year price negotiation. We expect pricing pressure for our products to continue, including from our major customers. To maintain or increase their market share, our competitors also reduce prices of their products each year. In addition, our customers may seek to internally develop and manufacture competing products at a
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lower cost than we would otherwise charge, which would add additional pressure on us to lower our selling prices. If we are unable to offset any future reductions in our average selling prices by increasing our sales volume, reducing our costs or introducing new products, our gross margin would be adversely affected.

If we fail to retain our key personnel or if we fail to attract additional qualified personnel, we may not be able to achieve our anticipated growth and our business could suffer.

Our success and ability to implement our business strategy depends upon the continued contributions of our senior management team and others, including senior management in foreign subsidiaries and our technical and operations employees in all locations. Our future success depends, in part, on our ability to attract and retain key personnel, including our senior management and others. The loss of services of members of our senior management team or key personnel or the inability to continue to attract and retain qualified personnel could have a material adverse effect on our business. Competition for highly skilled technical and operations people where we operate is extremely intense, and we continue to face challenges identifying, hiring and retaining qualified personnel in many areas of our business.

We have had a history of losses which may recur in the future.

We have had a history of losses and we may incur additional losses in future periods. As of March 31, 2020, our accumulated deficit was $408.2 million. We continue to review our expenditures related to the ongoing operations of our business for their effectiveness. These include expenditures related to the sales, marketing and development of our products and to maintain our manufacturing facilities and research and development operations. Operations and assets that are deemed to be less effective may be subject to restructuring, which could lead to increased operating losses in future periods when and if restructuring charges are incurred.

*We depend upon outside contract manufacturers for a portion of the manufacturing process for some of our products. Our operations and revenue related to these products could be adversely affected if we encounter problems with any such contract manufacturer.

While the majoritymany of our products are manufactured internally, we also rely upon contract manufacturers in Thailand, China, Japan and other Asia locations and Ontario (Canada) to provide back-end manufacturing and production of some of our products. Our reliance on contract manufacturers for some of our products makes us vulnerable to possible production capacity constraints, reduced control over their supply chains, delivery schedules, manufacturing yields, manufacturing quality/controls and costs. If one of our contract manufacturers is unable to meet all of our customer demand in a timely fashion, whether due to their direct operating control, or due to their supply chain or due to the Covid-19 pandemic, this could have a material adverse effect on the revenue from our products.
If the Metro and data center interconnect market sectors do not grow as rapidly as we expect, or if demand for our products in these sectors is lower than we expect, our revenue growth may be adversely affected.
We expect that our future growth in the market for 100G, 400G and beyond coherent products to be driven in large part by the increased adoption of our products in the Metro market segment and in the high-performance data center interconnect market. Over the last several years, 100G and beyond coherent technology has seen increasing adoption in the Long Haul market segment and now is penetrating the much larger Metro sector of the market.
If we fail to achieve or sustain a leadership position in the Long Haul telecom sector and use our position in that market to penetrate the Metro and data center interconnect segments, if these segments fail to grow as expected, or if demand for our products in the Metro and data center interconnect market segments fails to materialize, our business, financial condition, results of operations and prospects would suffer.
The majority of our customer contracts do not commit customers to specified buying levels, and many of our customers may decrease, cancel or delay their buying levels at any time with little or no advance notice to us.

Our products are typically sold pursuant to individual purchase orders or by use of a vendor-managed inventory, or VMI, model, which is a process by which we ship agreed quantities of products to a customer-designated location and those products remain our inventory and we retain the title and risk of loss for those products until the customer takes possession of the products. Our customers are typically not contractually committed to buy any quantity of products beyond firm purchase orders. Many of our customers may increase, decrease, cancel or delay purchase orders already in place. We have experienced and expect to continue to experience wide fluctuations in demand from customers using VMI, particularly Huawei and its affiliate HiSilicon Technologies Co., Ltd., even in instances where we have built and shipped products to the customer-designated locations as VMI.place, which may impact our level of business.

Our success will depend on our ability to anticipate and quickly respond to evolving technologies and customer requirements.
Our ability to anticipate and respond to evolving technology, industry standards, customer requirements and product offerings, and to develop and introduce new and enhanced products and technologies, will be critical factors in our ability to succeed. In addition, the introduction of new products by other companies embodying new technologies, or the emergence of new industry standards, could render our existing products uncompetitive from a pricing standpoint, obsolete or otherwise unmarketable.
We must continually achieve new design wins and develop new products or our business and future revenue may be harmed.
The markets for our products are characterized by frequent new product introductions, changes in customer requirements and evolving industry standards, all with an underlying pressure to reduce cost and meet stringent reliability and qualification requirements. Our future performance will depend on our successful development, introduction and market acceptance of new and enhanced products that address these challenges. The anticipated or actual introduction of new and enhanced products by us and by our competitors may cause our customers to defer or cancel orders for our existing products, and could result, and in the past, has resulted, in a write-down in the value of inventory. To the extent customers defer or cancel orders for our products for any reason or we fail to achieve new design wins, our competitive position would be adversely affected and our ability to grow revenue would be impaired.
Furthermore, fast time-to-market with new products can be critical to success in our markets. It is difficult to displace an existing supplier for a particular type of product once a network equipment vendor has chosen a supplier, even if a later-to-market product provides superior performance or cost efficiency. If we are unable to make our new or enhanced products commercially available on a timely basis, we may lose existing and potential customers and our financial results would suffer.
We may be exposed to costs or losses from product lines that we intend to exit or may undertake divestiture of portions of our business that require us to continue providing substantial post-divestiture transition services and support, which may cause us to incur unanticipated costs and liabilities and adversely affect our financial condition and results of operations.

We have a strategy to exit products that have been declining in revenue and have lower gross margins than our other higher speed products. For instance, in January 2017, we completed the sale of assets and transfer of certain liabilities of our access network and low speed transceiver product lines (the “Low Speed Transceiver Products”) and in January 2019 we announced the end-of-life of certain client transceiver modules and discontinued the manufacture and sale of those products after completing final production in May 2019. We may incur additional costs in connection with the sale or end-of-life of these products, or other products and/or facilities in the future, and our revenues and net income could be negatively affected, particularly in the short term, in connection with the end-of-life or sales of such products and/or facilities. It is also possible that we could incur continued costs or liabilities after the end-of-life process is completed, which could have a material adverse effect on our financial condition or operating results.
We are subject to the
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Spending for communications networks is cyclical nature of the markets in which we competenature, and any future downturn may reduce demand for our products and revenue.

Our future success as a provider of components, modules and subsystems to leading network equipment vendors depends on continued capital spending on global communications networks. Network traffic has experienced rapid growth driven primarily by bandwidth-intensive content, including cloud services, mobile video and data services, wireless 4G/LTE and now 5G services, social networking, video conferencing and other multimedia. This growth is intensified by the proliferation of fixed and wireless devices that are enabling consumers to access content at increasing data rates anytime and anywhere. Our future success depends on continued demand for high-bandwidth, high speed communications networks and the ability of network equipment vendors and carrier data center operators to fulfill this demand. While we believe the long term prospects for growth in data traffic remain strong, especially in Cloud and data center markets, our business and financial results will suffer if growth does not occur as expected.

The markets in which we compete are tied to the aggregate capital expenditures of telecommunications service providers as they build out and upgrade their network infrastructure. These marketsfor communications networks may be cyclical and characterized by rapid technological change, price erosion, evolving standards and wide fluctuations in product supply and demand. In the past, including recently to varying degrees in China, the U.S. and Europe, these markets have experienced significant downturns, often connected with, or in anticipation of, the maturation of product cycles—cycles for both manufacturers’ and their customers’ products—products or in response to over or under purchasing of inventory by our customers relative to ultimate carrier demand, and with declining general economic conditions. These downturns have been characterized by diminished product demand, production overcapacity, high inventory levels and accelerated erosion of average selling prices.
Our historical results of operations have been subject to substantial fluctuations as a result of market downturns and changes in capital spending, and we may experience substantial period-to-period fluctuations in future results of operations.

Our solutions for the Cloud and data center market segments may not achieve broader market acceptance, which would prevent us from increasing our revenue and market share.

Part of our overall strategy is to continue to expand our optoelectronic solutions for the highest speed Cloud and data center market segments. If spendingwe fail to achieve broader acceptance of our products in the Cloud and data center markets, there would be an adverse impact on our ability to increase our revenue, gain market share and achieve and sustain profitability. Our ability to achieve broader market acceptance for communications networks doesour products will be impacted by a number of factors, but not continuelimited to:

our ability to produce optoelectronic solutions for 100G to 800G and beyond that compete favorably against other solutions on the basis of price, quality, reliability and performance;

our ability to timely introduce and complete new designs and timely qualify and certify our products;

whether major Cloud and hyper-scale data center operators will adopt our solutions, which are based on a new network architecture and have a limited history in these market segments;

our ability to develop products that comply with applicable standards and regulatory requirements, as well as potential in-country manufacturing requirements; and;

our ability to develop and maintain successful relationships with our customers and suppliers.

If the Cloud and data center market segments fail to grow as expected, or if demand for our solutions in these segments fails to materialize, our business, financial condition, results of operations and financial results mayprospects would suffer.
Our future success as a provider of components, modules and subsystems to leading network equipment vendors depends on continued capital spending on global communications networks. Network traffic has experienced rapid growth driven primarily by bandwidth-intensive content, including cloud services, mobile video and data services, wireless 4G/LTE

and 5G services, social networking, video conferencing and other multimedia. This growth is intensified by the proliferation of fixed and wireless devices that are enabling consumers to access content at increasing data rates anytime and anywhere. Our future success depends on continued demand for high-bandwidth, high-speed communications networks and the ability of network equipment vendors and carrier data center operators to fulfill this demand. In 2017, this growth slowed, primarily due to soft demand and high inventory levels in China, which adversely affected our business and financial condition in 2017. While we believe the long term prospects for growth in data traffic remain strong, our business and financial results will suffer if growth does not occur as expected.
We face a variety of risksRisks associated with international sales and operations which if not adequately managed could adversely affect our business and financial results.

We derive, and expect to continue to derive a significant portion of our revenue from international sales in various markets. In addition, a major portion of our operations are based in Shenzhen and Dongguan, Chinamarkets, and we have additionalsubstantial operations in China, Japan and Canada.Thailand in addition to the U.S. Our international revenue and operations are subject to a number of material risks, including, but not limited to:

difficulties in staffing, managing and supporting operations in more than one country;across different jurisdictions;

difficulties in enforcing agreements and collecting receivables through foreign legal systems;

fewer legal protections for intellectual property in foreign jurisdictions;
the need for compliance with local laws and regulations;
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foreign and U.S. taxation issues and
international trade barriers;restrictions;
general economic and political conditions in the markets in which we operate;
difficulties in obtaining any necessary governmental authorizations for the export of our products to certain foreign jurisdictions;

imposition of export restrictions on sales to any of our major foreign customers;

fluctuations in foreign economies and fluctuations in the value of foreign currencies and interest rates;
trade and travel restrictions;
major health events, such as outbreaks of contagious disease;

domestic and international economic or political changes, hostilities and other disruptions; and

difficulties and increased expenses in complying with a variety of U.S. and foreign laws, regulations and trade standards, including the Foreign Corrupt Practices Act and international labor standards.

Negative developments in any of these areas in China, Japan, Thailand or other countries could result in a reduction in demand for our products, the cancellation or delay of orders already placed, difficulties in producing and delivering our products, threats to our intellectual property, difficulty in collecting receivables, higher labor costs and a higher cost of doing business.

In addition, although we maintain an anti-corruption compliance program throughout our company, violations of our compliance program may result in criminal or civil sanctions, including material monetary fines, penalties and other costs against us or our employees, and may have a material adverse effect on our business.

Our revenues and costs will fluctuate over time, making it difficult to predict our gross margins and future results of operations.

Our revenue, gross margin and results of operations have varied significantly and are likely to continue to vary from quarter to quarter due to a number of factors, many of which are not within our control. For instance, changes in gross margin may result from various factors, such as changes in pricing, changes in our fixed costs, changes in the cost of labor, changes in the mix of our products sold, changes in the amount of product manufactured versus the amount of product sold over time, and charges for excess and obsolete inventory. In addition, our first quarter revenue is typically seasonally lower than the rest of the year primarily due to annual price negotiations with customers that occur at the end of the prior year and lower capacity utilization during the holidays in China. It is difficult for us to accurately forecast our future revenue and gross margin and plan expenses accordingly and, therefore, it is difficult for us to predict our future results of operations.
Increasing costs and other factors may adversely impact our gross margins.
We may not be able to maintain or
improve our gross margins because of slow introductions of new products, pricing pressure from increased competition, failure to effectively reduce the cost of existing products, failure to improve our product mix, future macroeconomic or market volatility reducing sales volumes, changes in customer demand (including a change in product mix among different areas of our business) or other factors. Our gross margins can also be adversely affected for reasons including, but not limited to, fixed manufacturing costs that would not be expected to decrease in proportion to any decrease in revenues; unfavorable production yields or variances; increases in costs of input parts and materials; the timing of movements in our inventory balances; warranty costs and related returns; changes in foreign currency exchange rates; possible exposure to inventory valuation reserves; and other increases in our costs and expenses, including as a result of rising labor

costs in China. Such significant increases in costs without corresponding increases in revenue would materially and adversely affect our business, our results of operations and our financial condition and our gross margins.

Our revenues are typically subject to seasonality.

Our first quarter revenue is typically seasonally lower than the rest of the year primarily due to annual price negotiations with customers that occur at the end of the prior year and lower capacity utilization during the annual new year holidays in China. This historical pattern typically adversely affects our revenues in the first quarter of each year and impacts the typical annual distribution of revenue from quarter to quarter through the year. That said, our first quarter revenue varies markedly year to year so should not be considered a reliable indicator of our future revenue or financial performance. In 2020, this seasonality may be even higher due to the China central government extending the annual new year holidays in China in an effort to contain impact of the novel coronavirus.

If our customers do not qualify our products for use, then our results of operations may suffer.

Prior to placing volume purchase orders with us, most of our customers require us to obtain their approval—approval called qualification in our industry—industry of our new and existing products, and our customers often audit our manufacturing facilities and perform other vendor evaluations during this process. The qualification process involves product sampling and reliability testing and collaboration with our product management and engineering teams in the design and manufacturing stages. If we are
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unable to qualify our products with customers, then our revenue would be lower than expected and we may not be able to recover the costs associated with the qualification process which would have an adverse effect on our results of operations.

In addition, due to evolving technological changes in our markets, a customer may cancel or modify a design project before we have qualified our product or begun volume manufacturing of a qualified product. It is unlikely that we would be able to recover the expenses for cancelled or unutilized custom design projects.
Potential changes
Covenants in our effective tax rate could negatively affectborrowing arrangements may limit our future results.flexibility in responding to business opportunities and competitive developments and increase our vulnerability to adverse economic or industry conditions.

We are subjecthave lending arrangements with several financial institutions, which generally require us to income taxes in the U.S., China, Japanmaintain certain financial covenants and other foreign jurisdictions, and our domestic and international tax liabilities are subject to the allocation of expenses in differing jurisdictions. Our tax rate is affected by changes in the mix of earnings and losses in countries with differing statutory tax rates, certain non-deductible expenses and the valuation of deferred tax assets and liabilities, includinglimit our ability to utilizetake certain actions such as incurring some kinds of additional debt, paying dividends, or engaging in certain transactions like mergers and acquisitions, investments and asset sales without the lenders’ consent. These restrictions may limit our net operating losses. Increasesflexibility in responding to business opportunities, competitive developments and adverse economic or industry conditions. In addition, a breach of any of these covenants, or a failure to pay interest or indebtedness when due under any of our effective tax ratecredit facilities, could negatively affectresult in a variety of adverse consequences, including the acceleration of our results of operations.indebtedness.

We may be involved in intellectual property disputes, which could divert management’s attention, cause us to incur significant costs and prevent us from selling or using the challenged technology.

Participants in the markets in which we sell our products have experienced frequent litigation regarding patent and other intellectual property rights. Numerous patents in these industries are held by others, including our competitors. In addition, from time to time, we have been notified that we may be infringing certain patents or other intellectual property rights of others. Regardless of their merit, responding to such claims can be time consuming, divert management’s attention and resources and may cause us to incur significant expenses. In addition, there can be no assurance that third parties will not assert infringement claims against us, whether or not such claims are valid. While we believe that our products do not infringe in any material respect upon intellectual property rights of other parties and/or meritorious defense would exist with respect to any assertions to the contrary, we cannot be certain that our products would not be found infringing the intellectual property rights of others.

In January 2010, Finisar Corporation, or Finisar (which was acquired by II-VI, Inc. in September 2019), filed a complaint in the U.S. District Court for the Northern District of California against us and three other co-defendants. In the complaint, Finisar alleged infringement of certain of its U.S. patents arising from the co-defendants’ respective manufacture, importation, use, sale of or offer to sell certain optical transceiver products in the U.S. In March 2010, we filed an answer to the complaint and counterclaims, asserting two claims of patent infringement and additional claims asserting that Finisar has violated state and federal competition laws and violated its obligations to license on reasonable and non-discriminatory terms. In May 2010, the Court dismissed without prejudice all co-defendants (including us) except Source Photonics, Inc., on grounds that such claims should have been asserted in four separate lawsuits, one against each co-defendant. This dismissal without prejudice does not prevent FinisarFinisar/II-VI from bringing a new similar lawsuit against us. In May 2012, we and Finisar agreed to toll our respective claims until the refiling of certain of the previously asserted claims from this dispute. As a result, FinisarFinisar/II-VI is permitted to bring a new lawsuit against us if it chooses to do so, and we may bring new claims against Finisar upon seven days written notice prior to filing such claims.

Although we believe that we would have meritorious defenses to the infringement allegations and intend to defend any new similar lawsuit vigorously, there can be no assurance that we will be successful in our defense. Even if we are successful, we may incur substantial legal fees and other costs in defending the lawsuit. Further, a new lawsuit, if brought by either party, would be likely to divert the efforts and attention of our management and technical personnel, which could harm our business.
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If we fail to protect our intellectual property and other proprietary rights, our business and results of operations could be materially harmed.

Our success depends to a significant degree on our ability to protect our intellectual property and other proprietary rights. We rely on a combination of patent, trademark, copyright, trade secret and unfair competition laws, as well as license agreements and other contractual provisions, to establish and protect our intellectual property and other proprietary rights. We

have applied for patent registrations in the U.S. and in other foreign countries, some of which have been issued. We cannot guarantee that our pending applications will be approved by the applicable governmental authorities.

Similarly we must protect all company data as it pertains to customers, products and product designs, technology and technology related trade secrets, plus customer and supplier and personal data of suppliers, customers and personnel. We rely
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on a combination of these important data elements to establish and protect multiple aspects of our business, and loss of data, breaching of data or stealing of such data could hard the company.

Policing unauthorized use of our technology is difficult and we cannot be certain that the steps we have taken will prevent the misappropriation, unauthorized use or other infringement of our intellectual property rights. Further, we may not be able to effectively protect our intellectual property rights from misappropriation or other infringement in foreign countries where we have not applied for patent protections, and where effective patent, trademark, trade secret and other intellectual property laws may be unavailable, or may not protect our proprietary rights as fully as U.S. or Japan law. Particularly, our U.S. patents do not afford any intellectual property protection in China, Japan, Canada, Russia or other Asia locations, including Russia, where we have company operations.locations.

In the future, we may need to take legal actions to prevent third parties from infringing upon or misappropriating our intellectual property or from otherwise gaining access to our technology. Protecting and enforcing our intellectual property rights and determining their validity and scope could result in significant litigation costs and require significant time and attention from our technical and management personnel. If we fail to protect our intellectual property and other proprietary rights, or if such intellectual property and proprietary rights are infringed or misappropriated, our business, results of operations or financial condition could be materially harmed.

We may be subject to disruptions or failures in information technology systems and network infrastructures that could have a material adverse effect on our business and financial condition.

We rely on the efficient and uninterrupted operation of complex information technology systems and network infrastructures to operate our business. A disruption, infiltration or failure of our information technology systems as a result of software or hardware malfunctions, system implementations or upgrades, computer viruses, cyber-attacks, third-party security breaches, employee error, theft or misuse, malfeasance, power disruptions, natural disasters or accidents could cause breaches of data security, loss of intellectual property and critical data and the release and misappropriation of sensitive competitive information and partner, customer and employee personal data. Any of these events could harm our competitive position, result in a loss of customer confidence, cause us to incur significant costs to remedy any damages and ultimately materially adversely affect our business and financial condition.
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It could be discovered that our products contain defects that may cause us to incur significant costs, divert our attention, result in a loss of customers and result in product liability claims.

Our products are complex and undergo quality testing as well as formal qualification, both by our customers and by us. For various reasons, such as the occurrence of performance problems that are unforeseeable in testing or that are detected only when products age or are operated under peak stress conditions, our products may fail to perform as expected long after customer acceptance. Failures could result from faulty components or design, problems in manufacturing or other unforeseen reasons. As a result, we could incur significant costs to repair or replace defective products under warranty, particularly when such failures occur in installed systems. Any significant product failure could result in lost future sales of the affected product and other products, as well as customer relations problems and litigation, which could harm our business.

Further, our products contain purchased components including electronic components. It is possible that such purchased items could contain quality defects, manufacturing defects, performance problems or even counterfeit substitutes. Any significant product failure that is the result of such defects could result in lost future sales as well as customer relations problems and litigation, which could harm our business.

The communications networks industry has long product development cycles requiring us to incur product development costs without assurances of an acceptable investment return.

Large volumes of communications equipment and support structures are installed with considerable expenditures of funds and other resources, and long investment return period expectations. At the component supplier level, these cycles create considerable, typically multi-year, gaps between the commencement of new product development and volume purchases. Due to changing industry and customer requirements, we are constantly developing new products, including seeking to further integrate functions on PICs and developing and using new technologies in our products. These development activities necessitate significant investment of capital. Our new products often require a long time to develop because of their complexity and rigorous testing and qualification requirements. Accordingly, we and our competitors often incur significant research and

development and sales and marketing costs for products that, initially, will be purchased by our customers long after much of the cost is incurred and, in some cases, may never be purchased due to changes in industry or customer requirements in the interim.
We are subject to global governmental export and import controls that could subject us to liability, impair our ability to compete in international markets, or restrict our sales to certain customers.
We are subject to export and import control laws, trade regulations and other trade requirements that limit which products we sell and where and to whom we sell our products, especially laser-dependent products. In some cases, it is possible that export licenses would be required from the U.S. or other government agencies outside the U.S. such as, but not limited to, Japan or China for some
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Table of our products in accordance with various statutes. In addition, various countries regulate the export or import of certain technologies and have enacted laws that could limit our ability to distribute our products. Failure to comply with these and similar laws on a timely basis, or at all, or any limitation on our ability to export or sell our products or to obtain any required licenses would adversely affect our business, financial condition and results of operations.Contents
If we fail to obtain the right to use the intellectual property rights of others which are necessary to operate our business, and to protect their intellectual property, our business and results of operations will be adversely affected.

From time to time we may choose to, or be required to, license technology or intellectual property from third parties in connection with the development of our products. Failure to obtain a necessary third-party license required for our product offerings or to develop new products and product enhancements could adversely affect our business.

Similarly from time to time others may endeavor to infringe on our intellectual property or encroach on our trademarks or other intellectual property. Our failure to identify, recognize and/or action to product such intellectual property could adversely affect our business.

Participation in standards setting organizations may subject us to intellectual property licensing requirements or limitations that could adversely affect our business and prospects.

In the course of our participation in the development of emerging standards for some of our present and future products, we may agree to grant to all other participants a license to our patents that are essential to the practice of those standards on reasonable and non-discriminatory, or RAND, terms. If we fail to limit to whom we license our patents, or fail to limit the terms of any such licenses, we may be required to license our patents or other intellectual property to others in the future, which could limit the effectiveness of our patents against competitors.

Any potential dispute involving our products, services or technology could also include our customers using our products, which could trigger our indemnification obligations to them and result in substantial expenses to us.

In any potential dispute involving allegations that our products, services or technology infringe the intellectual property rights of third parties, our customers could also become the target of litigation. Because we often indemnify our customers for intellectual property claims made against them for products incorporating our technology, any claims against our customers could trigger indemnification obligations in some of our supply agreements, which could result in substantial expenses such as increased legal expenses, product recalls, damages for past infringement or royalties for future use.
Natural disasters, terrorist attacks or other catastrophic events could harm our operations and our financial results.
Our worldwide operations could be subject to natural disasters and other business disruptions, which could harm our future revenue and financial condition and increase our costs and expenses. For example, our corporate headquarters and wafer fabrication facility in Silicon Valley, California and our Tokyo, Japan facility are located near major earthquake fault lines, and our manufacturing facilities are located in Shenzhen and Dongguan, China, areas that are susceptible to typhoons. We are not insured against many natural disasters, including earthquakes.
Similarly, our worldwide operations could be subject to secondary effects of natural disasters, terrorist attacks or other catastrophic events. Even if our facilities are not directly affected, any of these types of events could substantially disrupt the business of our suppliers or customers, which could have a material adverse effect on us.
Rapidly changing standards and regulations could make our products obsolete, which would cause our revenue and results of operations to suffer.

We design our products to conform to regulations established by governments and to standards set by industry standards bodies worldwide, such as The American National Standards Institute, the European Telecommunications Standards Institute, the International Telecommunications Union and the Institute of Electrical and Electronics Engineers. Various industry organizations are currently considering whether and to what extent to create standards for elements used in 100Gbps and beyond systems. Because certain of our products are designed to conform to current specific industry standards, if competing or new standards emerge that are preferred by our customers, we would have to make significant expenditures to develop new products and our revenue and results of operations would suffer.


If we fail to maintain effective internal control over financial reporting in the future, the accuracy and timing of our financial reporting may be adversely affected.

Our management is responsible for establishing and maintaining adequate internal control over our financial reporting, as defined in Rule 13a-15(f) under the Securities Exchange Act of 1934, as amended, or the Exchange Act.

Preparing our consolidated financial statements involves a number of complex manual and automated processes, which are dependent upon individual data input or review and require significant management judgment. One or more of these elements may result in errors that may not be detected and could result in a material misstatement of our consolidated financial statements. If we fail to maintain the adequacy of our internal controls over financial reporting, our business and operating results may be harmed and we may fail to meet our financial reporting obligations. If material weaknesses in our internal control are discovered or occur, our consolidated financial statements may contain material misstatements and we could be required to restate our financial results.

Our internal control over financial reporting may not prevent or detect misstatements because of its inherent limitations, including the possibility of human error, the circumvention or overriding of controls, or fraud. Even effective internal controls can provide only reasonable assurance with respect to the preparation and fair presentation of financial statements. Any failure of our internal controls could adversely affect the results of the periodic management evaluations and annual independent registered public accounting firm attestation reports regarding the effectiveness of our internal control over financial reporting.
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If we cannot provide reliable financial reports or prevent fraud, our business and results of operations could be harmed, investors could lose confidence in our reported financial information, and the trading price of our stock may decline.

We may be unable to utilize our net operating loss carryforwards to reduce our income taxes, which could adversely affect our future financial results.

As of December 31, 2018,2019, we had net operating loss, or NOL, carryforwards for U.S. federal and state tax purposes of $276.6$290.4 million and $52.0$52.1 million, respectively. As these net operating losses have not been utilized and may not be utilized prior to their expiration in the future. The utilization of the NOL and tax credit carryforwards are subject to a substantial limitation imposed by Section 382 of the Internal Revenue Code of 1986, as amended, or the Code, and similar state provisions. We recorded deferred tax assets, net of valuation allowance, for the NOL carryforwards currently available after considering the existing Section 382 limitation. If we incur an additional limitation under Section 382, then the NOL carryforwards, as disclosed, could be reduced by the impact of any future limitation that would result in existing NOL carryforwards and tax credit carryforwards expiring unutilized and increases in future tax liabilities.
In some instances, we rely on third-party sales representatives to assist in selling
Natural disasters, terrorist attacks or other catastrophic events could harm our products,operations and the failure of these representatives to perform as expected could reduce our future revenue.financial results.
Although we primarily sell our products through direct sales to systems vendors, we also sell our products to some of our customers through third-party sales representatives. Many of our third-party sales representatives also market and sell competing products from our competitors.
Our third-party sales representatives may terminate their relationships with us at any time, or with short notice. Our future performance will also depend, in part, on our ability to attract additional third-party sales representatives that will be able to market and support our products effectively, especially in markets in which we have not previously distributed our products. If our third-party sales representatives fail to perform as expected or to operate their businesses effectively, our revenue and results ofworldwide operations could be harmed.subject to natural disasters and other business disruptions, which could harm our future revenue and financial condition and increase our costs and expenses. For example, our corporate headquarters and wafer fabrication facility in Silicon Valley, California and our Tokyo, Japan facility are located near major earthquake fault lines, and our manufacturing facilities are located in Shenzhen and Dongguan, China, areas that are susceptible to typhoons. We are not insured against many natural disasters, including earthquakes.

Similarly, our worldwide operations could be subject to secondary effects of natural disasters, terrorist attacks or other catastrophic events. Even if our facilities are not directly affected, any of these types of events could substantially disrupt the business of our suppliers or customers, which could have a material adverse effect on us.

We are subject to environmental, health and safety laws and regulations, which could subject us to liabilities, increase our costs, or restrict our business or operations in the future.

Our manufacturing operations and our products are subject to a variety of federal, state, local and international environmental, health and safety laws and regulations in each of the jurisdictions in which we operate or sell our products. Our failure to comply with present and future environmental, health or safety requirements, or the identification of contamination, could cause us to incur substantial costs, including cleanup costs, monetary fines, civil or criminal penalties, or curtailment of operations, which could have a material adverse effect on our business, financial condition and results of operations.

Additionally, increasing efforts to control emissions of greenhouse gases, or GHG, may also impact us. Additional climate change or GHG control requirements are under consideration at the federal level in the U.S. and in China. Additional restrictions, limits, taxes, or other controls on GHG emissions could increase our operating costs and, while it is not possible to
estimate the specific impact any final GHG regulations will have on our operations, there can be no assurance that these measures will not have significant additional impact on us.us.


Additional Risks Related to Our Operations in China

Our business operations conducted in China are critical to our success. A significant portion of our revenue was recognized from customers for whom we shipped products to a location in China. Additionally, a substantial portion of our net property, plant and equipment, approximately 23% as of September 30, 2019,March 31, 2020, was located in China. We expect to make further investments in China in the foreseeable future. Therefore, our business, financial condition, results of operations and prospects are to a significant degree subject to economic, political, legal, and social events and developments in China.

Adverse changes in economic and political policies in China, or Chinese laws or regulations could have a material adverse effect on business conditions and the overall economic growth of China, which could adversely affect our business.

The Chinese government exercises significant control over China’s economy by way of the allocation of resources, control over foreign currency-denominated obligations and monetary policy and provision of preferential treatment to particular industries or companies. Moreover, the laws, regulations and legal requirements in China, including the laws that apply to foreign-invested enterprises are relatively new and are subject to frequent changes. The interpretation and enforcement of such laws is uncertain. Any adverse changes to these laws, regulations and legal requirements, including tax laws, or their
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interpretation or enforcement, or the creation of new laws or regulations relating to our business, could have a material adverse effect on our business.

Furthermore, any slowdown or economic downturn, whether actual or perceived, in China could have a material adverse effect on our business, financial condition and results of operation.

Uncertainties with respect to China’s legal system could adversely affect the legal protection available to us.

Our operations in China are governed by Chinese laws and regulations. Our subsidiaries in China are generally subject to laws and regulations applicable to foreign investments in China and, in particular, laws applicable to wholly foreign-owned enterprises. China has not developed a fully-integrated legal system to fully address its transition to a more market-oriented economy, and recently-enacted laws and regulations may not sufficiently cover all aspects of economic activities in China. Uncertainties in the Chinese legal system may impede our ability to enforce the contracts we have entered into with our distributors, business partners, customers and suppliers. In addition, protections of intellectual property rights and confidentiality in China may not be as effective as in the U.S. or other countries or regions with more developed legal systems. All of these uncertainties could limit the legal protections available to us and could materially and adversely affect our business and operations.

Changes in China’s international trade policies may adversely impact our business and operating results.

The China government has recently made statements and taken certain actions that change trade policies, including recently-imposed tariffs affecting products manufactured in the U.S. Certain of our products manufactured in our U.S. operations have been included in the tariffs imposed on imports into China from the United States. We expect these tariffs, as currently applied, will increase our cost of goods sold by approximately one percentage point. It is unknown if any additional such tariffs or retaliatory actions will be imposed or what impact they would have on us or our industry and customers. As new tariffs, legislation and/or regulations are implemented, or if existing trade agreements are renegotiated between China and the U.S. or other affected countries, such changes could have a material adverse effect on our business, financial condition, results of operations or cash flows. Furthermore, in response to such trade tensions, the Chinese government and/or individual Chinese customers may take steps to reduce their supply chain dependence on products from U.S. suppliers through their own internal developments or the selection of non-U.S. suppliers, placing us at a commercial disadvantage and potentially affecting our business.

A considerable portion of our business involves selling High Speedhigh speed optical components in China and any move to local Chinese vendors for these products might adversely affect our results.
The
In December 2017, the Chinese Government Ministry of Industry and Information Technology has announced a five-year optical component technology roadmap with the aim to reduce China’s dependency on non-domestic companies for high-end optical chips and sub-components, including some products manufactured and sold by us. This announcement continues an
ongoing trend in China to build domestic industry in this area. While we believe local Chinese component suppliers do not currently have the capability to supply the highest performance optical chips and sub-components, those companies may over time develop such capability and negatively impact our revenue and financial performance if we do not continue to innovate and maintain our lead in the highest speed and performance optical components.

Our subsidiaries in China may be subject to restrictions on dividend payments, on making other payments to us or any other affiliated company, and on borrowing or allocating tax losses among our subsidiaries.

Current Chinese regulations permit our subsidiaries in China to pay dividends only out of their accumulated profits, if any, determined in accordance with Chinese accounting standards and regulations, which are different than U.S. accounting standards and regulations. In addition, our subsidiaries in China are required to set aside at least 10% of their respective

accumulated profits each year, if any, to fund their statutory common reserves until such reserves have reached at least 50% of their respective registered capital. As of September 30, 2019March 31, 2020 and December 31, 2018,2019, our Chinese subsidiaries’ common reserves had not reached this threshold and, accordingly, these entities are required to continue funding such reserves with accumulated net profits. Accordingly, we may not be able to move our capital easily, which could harm our business.
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Restrictions on currency exchange may limit our ability to use our cash effectively.

In China, the State Administration of Foreign Exchange, or SAFE, administers restrictions on currency exchange. These restrictions may limit our ability to use cash held in RMB to fund any business activities we may have outside China or to make dividend payments in U.S. dollars. SAFE or other Chinese regulatory authorities may impose more stringent restrictions on the
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convertibility of the RMB, especially with respect to foreign exchange transactions. If such restrictions are imposed, our ability to adjust our capital structure or engage in foreign exchange transactions may be limited.

If the Chinese government determines that we failed to obtain approvals of, or registrations with, the requisite Chinese regulatory authority with respect to our current and past import and export of technologies, or failed to obtain the necessary licenses to file patent applications outside China for inventions made in China, we could be subject to sanctions, which could adversely affect our business.

China imposes controls on technology import and export. The term “technology import and export” is broadly defined to include, without limitation, the transfer or license of patents, software and know-how, and the provision of services in relation to technology. Depending on the nature of the relevant technology, the import and export of technology to or from China requires either approval by or registration with, the relevant Chinese governmental authorities. Additionally, the Chinese government requires the patent application for any invention made at least in part in China to be filed first in China, then undergo a government secrecy review and obtain a license before such application is filed in other countries.

If the Chinese government determines that we failed to obtain follow required procedures and obtain the appropriate license before filing a patent application outside China for an invention made at least in part in China, our China patents on such products may be invalidated, which could have a material and adverse effect on our business and operations.

China regulation of loans and direct investment by offshore holding companies to China entities may delay or prevent us from using our cash proceeds to make loans or additional capital contributions to our China subsidiaries.

From time to time, we may make loans or additional capital contributions to our China subsidiaries. We cannot assure you that we will be able to obtain these government registrations or approvals on a timely basis, if at all, with respect to our future loans or capital contributions to our China subsidiaries. If we fail to receive such registrations or approvals, our ability to capitalize our China subsidiaries may be negatively affected, which could materially and adversely affect our liquidity and ability to fund and expand our business.

Dividends paid to us by our Chinese subsidiaries may be subject to Chinese withholding tax.

The Enterprise Income Tax Law and the implementation regulations provide that a 10% withholding tax may apply to dividends payable to investors that are “non-resident enterprises,” to the extent such dividends are derived from sources within China and in the absence of any tax treaty that may reduce such withholding tax rate.

Our contractual arrangements with our subsidiaries in China may be subject to audit or challenge by the Chinese tax authorities, and a finding that our subsidiaries in China owe additional taxes could substantially reduce our net income and the value of our stockholders’ investment.

Under the applicable laws and regulations in China, arrangements and transactions among related parties may be subject to audit or challenge by the Chinese tax authorities. We would be subject to adverse tax consequences if the Chinese tax authorities were to determine that the contracts with or between our subsidiaries were not executed on an arm’s length basis, and as a result the Chinese tax authorities could require that our Chinese subsidiaries adjust their taxable income upward for Chinese tax purposes. Such an adjustment could adversely affect us by increasing our tax expenses.


We may have difficulty maintaining adequate management, legal and financial controls in China, which we are required to do in order to comply with Section 404 of the Sarbanes-Oxley Act and securities laws, and which could cause a material adverse impact on our consolidated financial statements, the trading price of our common stock and our business.

Our subsidiaries in China are generally subject to our overall obligations to maintain strong corporate governance, internal controls and computer, financial and other control systems. We may have difficulty hiring and retaining employees in China with experience and expertise relating to accounting principles generally accepted in the U.S. and U.S. public-company reporting requirements. These issues could make it more difficult for us to establish and maintain adequate internal control over our financial reporting, which could then result in errors that could cause a material misstatement of our consolidated financial statements.

We may be exposed to liabilities under the FCPA and Chinese anti-corruption laws, and any determination that we violated these laws could have a material adverse effect on our business.

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We are subject to the Foreign Corrupt Practices Act of 1977, or FCPA, and other laws that prohibit improper payments or offers of payments to foreign governments and their officials and political parties by U.S. persons and issuers as defined by the statute, for the purpose of obtaining or retaining business. We have operations, agreements with third parties and we make significant sales in China. China also strictly prohibits bribery of government officials. Our activities in China create the risk of unauthorized payments or offers of payments by our employees, consultants, sales agents or distributors, even though they may not always be subject to our control. Although we have implemented policies and procedures to discourage these practices by our employees, our existing safeguards and any future improvements may prove to be less than effective, and our employees, consultants, sales agents or distributors may engage in conduct for which we might be held responsible. Violations of the FCPA or anti-corruption laws in other countries may result in severe criminal or civil sanctions, and we may be subject to other liabilities, which could negatively affect our business, operating results and financial condition.

Risks Related to Ownership of Our Common Stock

Our stock price may be volatile due to fluctuation of our financial results from quarter-to-quarter and other factors.

Our quarterly revenue and results of operations have varied in the past and may continue to vary significantly from quarter to quarter. This variability may lead to volatility in our stock price as research analysts and investors respond to these quarterly fluctuations. These fluctuations are due to numerous factors, including:

fluctuations in demand for our products;

the timing, sizevolume and product mix of sales of our products;

changes in our pricing and sales policies, particularly in the first quarter of the year, or changes in the pricing and sales policies of our competitors;

our ability to design, manufacture and deliver products to our customers in a timely and cost-effective manner and that meet customer requirements;

quality control, yield or other output-related problems in our manufacturing operations;

our ability to timely obtain adequate quantities of the components used in our products;

length and variability of the sales cycles of our products;

unanticipated increases in costs or expenses; and

fluctuations in foreign currency exchange rates.

The foregoing factors are difficult to forecast, and these, as well as other factors, could materially adversely affect our quarterly and annual results of operations in the future. In addition, a significant amount of our operating expenses is relatively fixed in nature due to our internal manufacturing, research and development, sales and general administrative efforts. Any failure to adjust spending quickly enough to compensate for a revenue shortfall could magnify the adverse impact of such revenue shortfall on our results of operations. Moreover, our results of operations may not meet our announced financial outlook or the expectations of research analysts or investors, in which case the price of our common stock could decrease significantly. There can be no assurance that we will be able to successfully address these risks.

The market price of our common stock could be subject to wide fluctuations in response to, among other things, the risk factors described in this section of this Quarterly Report on Form 10-Q, and other factors beyond our control, such as fluctuations in the valuation of companies perceived by investors to be comparable to us.

The stock markets have experienced price and volume fluctuations that have affected and continue to affect the market prices of equity securities of many companies. These fluctuations often have been unrelated or disproportionate to the operating performance of those companies. These broad market and industry fluctuations, as well as general economic, political and

market conditions, such as recessions, sovereign debt or liquidity issues, interest rate changes or international currency fluctuations, may negatively affect the market price of our common stock.

In the past, many companies that have experienced volatility in the market price of their stock have been subject to securities class action litigation. We may become the target of this type of litigation in the future. Securities litigation against us
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could result in substantial costs and divert our management’s attention from other business concerns, which could seriously harm our business.

Our charter documents and Delaware law could prevent a takeover that stockholders consider favorable and could also reduce the market price of our stock.

Our amended and restated certificate of incorporation and our amended and restated bylaws contain provisions that could delay or prevent a change in control of our company. These provisions could also make it more difficult for stockholders to elect directors and take other corporate actions. These provisions include:

providing for a classified board of directors with staggered, three-year terms;

not providing for cumulative voting in the election of directors;

authorizing our board of directors to issue, without stockholder approval, preferred stock rights senior to those of common stock;

prohibiting stockholder action by written consent;

limiting the persons who may call special meetings of stockholders; and

requiring advance notification of stockholder nominations and proposals.

In addition, we are governed by the provisions of Section 203 of the Delaware General Corporate Law. These provisions may prohibit large stockholders, in particular those owning 15% or more of our outstanding common stock, from engaging in certain business combinations without approval of substantially all of our stockholders for a certain period of time.

These and other provisions in our amended and restated certificate of incorporation, our amended and restated bylaws and under Delaware law could discourage potential takeover attempts, reduce the price that investors might be willing to pay for shares of our common stock in the future and result in the market price being lower than it would be without these provisions.
ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS  
None. 
ITEM 3. DEFAULTS UPON SENIOR SECURITIES  
None.
ITEM 4. MINE SAFETY DISCLOSURES
Not applicable.
ITEM 5. OTHER INFORMATION
None.
 

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ITEM 6. EXHIBITS

Exhibit
no.
Exhibit DescriptionFormSEC File No.ExhibitFiling DateFiled herewith
Form 8-K001-350613.1February 10, 2011
Form S-1/A333-1660963.5November 22, 2010
  X
  X
  X
101.INS XBRL Instance Document. X
101.SCH XBRL Taxonomy Extension Schema Document. X
101.CAL XBRL Taxonomy Extension Calculation Linkbase Document. X
101.DEF XBRL Taxonomy Extension Definition Linkbase Document. X
101.LAB XBRL Taxonomy Extension Label Linkbase Document. X
101.PRE XBRL Taxonomy Extension Presentation Linkbase Document.   X

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Exhibit
no.
 Exhibit Description Form SEC File No. Exhibit Filing Date Filed herewith
  Form 8-K 001-35061 3.1 February 10, 2011  
             
  Form S-1/A 333-166096 3.5 November 22, 2010  
             
          X
             
          X
             
          X
             
101.INS XBRL Instance Document.         X
             
101.SCH XBRL Taxonomy Extension Schema Document.         X
             
101.CAL XBRL Taxonomy Extension Calculation Linkbase Document.         X
             
101.DEF XBRL Taxonomy Extension Definition Linkbase Document.         X
             
101.LAB XBRL Taxonomy Extension Label Linkbase Document.         X
             
101.PRE XBRL Taxonomy Extension Presentation Linkbase Document.           X


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SIGNATURE  
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. 
NeoPhotonics Corporation
Date:11/4/2019May 7, 2020By:/S/ ELIZABETH EBY
Elizabeth Eby
Senior Vice President, Finance and Chief Financial Officer
(Principal Financial and Accounting Officer)

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