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Natural Gas Services (NGS)

Filed: 7 Aug 19, 10:57am

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
☒  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2019
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 1-31398
ngs-20190630_g1.jpg
NATURAL GAS SERVICES GROUP, INC.
(Exact name of registrant as specified in its charter)
Colorado75-2811855
(State or other jurisdiction of(I.R.S. Employer
incorporation or organization)Identification No.)
404 Veterans Airpark Ln., Ste 300
Midland, Texas 79705
(Address of principal executive offices)
(432) 262-2700
(Registrant’s telephone number, including area code)
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 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   x
No   o
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).
Yes   x
No   o
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company.  See the definitions of “large accelerated filer”, “accelerated filer”, and “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer o
Accelerated filer   x
Non-accelerated filer o
Smaller reporting company ☒
Emerging growth company
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.o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).
Yes
No x
APPLICABLE ONLY TO CORPORATE ISSUERS
As of July 29, 2019, there were 13,226,971 shares of the Registrant's common stock, $0.01 par value, outstanding.



Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.01 par valueNGSNYSE









PART I – FINANCIAL INFORMATION
Item 1.  Financial Statements

 NATURAL GAS SERVICES GROUP, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(in thousands, except per share amounts)
(unaudited)
June 30,December 31,
20192018
ASSETS
Current Assets:
Cash and cash equivalents$29,911 $52,628 
Trade accounts receivable, net of allowance for doubtful accounts of $333 and $291, respectively11,383 7,219 
Inventory30,302 30,974 
Prepaid income taxes3,146 3,148 
Prepaid expenses and other1,880 2,430 
Total current assets76,622 96,399 
Long-term inventory, net of allowance for obsolescence of $21 and $19, respectively3,873 3,980 
Rental equipment, net of accumulated depreciation of $173,282 and $165,428, respectively190,704 175,886 
Property and equipment, net of accumulated depreciation of $11,777 and $11,556, respectively20,146 16,587 
Right of use assets - operating leases, net of accumulated amortization $83494 — 
Goodwill10,039 10,039 
Intangibles, net of accumulated amortization of $1,821 and $1,758, respectively1,338 1,401 
Other assets1,339 1,109 
Total assets$304,555 $305,401 
LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities:
Accounts payable$2,579 $2,122 
Accrued liabilities3,999 8,743 
Current operating leases129 — 
Deferred income113 81 
Total current liabilities6,820 10,946 
Line of credit417 417 
Deferred income tax liability32,514 32,158 
Long-term operating leases365 — 
Other long-term liabilities1,869 1,699 
Total liabilities41,985 45,220 
Commitments and contingencies (Note 9)
Stockholders’ Equity:
Preferred stock, 5,000 shares authorized, no shares issued or outstanding— — 
Common stock, 30,000 shares authorized, par value $0.01; 13,138 and 13,005 shares issued and outstanding, respectively131 130 
Additional paid-in capital109,218 107,760 
Retained earnings153,221 152,291 
Total stockholders' equity262,570 260,181 
Total liabilities and stockholders' equity$304,555 $305,401 

See accompanying notes to these unaudited condensed consolidated financial statements.

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NATURAL GAS SERVICES GROUP, INC.
CONDENSED CONSOLIDATED INCOME STATEMENTS
(in thousands, except earnings per share)
(unaudited)
Three months endedSix months ended
June 30,June 30,
2019201820192018
Revenue:
Rental income$13,572 $11,427 $26,959 $22,898 
Sales5,814 6,383 9,939 9,381 
Service and maintenance income509 394 988 643 
Total revenue19,895 18,204 37,886 32,922 
Operating costs and expenses:
Cost of rentals, exclusive of depreciation stated separately below6,359 5,195 12,244 9,899 
Cost of sales, exclusive of depreciation stated separately below4,419 4,924 8,118 7,115 
Cost of service and maintenance159 101 306 166 
Selling, general and administrative expense2,682 2,309 5,175 4,330 
Depreciation and amortization5,683 5,449 11,241 10,836 
Total operating costs and expenses19,302 17,978 37,084 32,346 
Operating income593 226 802 576 
Other income (expense):
Interest expense(4)(3)(8)(6)
Other income, net181 78 486 
Total other income (expense), net177 75 478 (1)
Income before provision for income taxes770 301 1,280 575 
Income tax expense197 54 350 103 
Net income$573 $247 $930 $472 
Earnings per share:
Basic$0.04 $0.02 $0.07 $0.04 
Diluted$0.04 $0.02 $0.07 $0.04 
Weighted average shares outstanding:
Basic13,134 12,963 13,100 12,941 
Diluted13,462 13,261 13,368 13,215 


See accompanying notes to these unaudited condensed consolidated financial statements.

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NATURAL GAS SERVICES GROUP, INC.
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
(in thousands)
(unaudited)
Preferred StockCommon StockAdditional Paid-In CapitalRetained EarningsTotal Stockholders' Equity
SharesAmountSharesAmount
BALANCES, January 1, 2018— $— 12,880 $129 $105,325 $151,865 $257,319 
Exercise of common stock options— — — 157 — 157 
Compensation expense on common stock options— — — — 66 — 66 
Issuance of restricted stock— — 60 — — — — 
Compensation expense on restricted common stock— — — — 362 — 362 
Taxes paid related to net shares settlement of equity awards— — — — (495)— (495)
Net income— — — — — 225 225 
BALANCES, March 31, 2018— $— 12,949 $129 $105,415 $152,090 $257,634 
Compensation expense on common stock options— — — — 31 — 31 
Issuance of restricted stock— — 19 — — — — 
Compensation expense on restricted common stock— — — 616 — 617 
Taxes paid related to net shares settlement of equity awards— — — — (134)— (134)
Net income— — — — — 247 247 
BALANCES, June 30, 2018— $— 12,968 $130 $105,928 $152,337 $258,395 








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NATURAL GAS SERVICES GROUP, INC.
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
(in thousands)
(unaudited)
Preferred StockCommon StockAdditional Paid-In CapitalRetained EarningsTotal Stockholders' Equity
SharesAmountSharesAmount
BALANCES, January 1, 2019— $— 13,005 $130 $107,760 $152,291 $260,181 
Exercise of common stock options— — 57 — 555 — 555 
Compensation expense on common stock options— — — — 31 — 31 
Issuance of restricted stock— — 71 — — — — 
Compensation expense on restricted common stock— — — 463 — 464 
Taxes paid related to net shares settlement of equity awards— — — — (192)— (192)
Net income— — — — — 357 357 
BALANCES, March 31, 2019— $— 13,133 $131 $108,617 $152,648 $261,396 
Exercise of common stock options— — — — (50)— (50)
Compensation expense on common stock options— — — — 30 — 30 
Issuance of restricted stock— — — — — — 
Compensation expense on restricted common stock— — — — 612 — 612 
Taxes paid related to net shares settlement of equity awards— — — — (9)— (9)
Net income— — — — — 573 573 
BALANCES, June 30, 2019— $— 13,138 $131 $109,218 $153,221 $262,570 



See accompanying notes to these unaudited condensed consolidated financial statements.

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NATURAL GAS SERVICES GROUP, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
(unaudited)
Six months ended
June 30,
20192018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income$930 $472 
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization11,241 10,836 
Deferred income taxes356 170 
Stock-based compensation1,137 1,076 
Bad debt allowance (recovery)55 (102)
Gain on sale of assets(37)(49)
(Gain) loss on company owned life insurance(131)55 
Changes in operating assets and liabilities:
Trade accounts receivables(4,219)(739)
Inventory1,200 2,673 
Prepaid expenses and prepaid income taxes(22)321 
Accounts payable and accrued liabilities(4,287)(4,327)
Deferred income32 302 
Other192 172 
NET CASH PROVIDED BY OPERATING ACTIVITIES6,447 10,860 
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of rental equipment and property and equipment(29,402)(16,945)
Purchase of company owned life insurance(111)(191)
Proceeds from sale of property and equipment26 49 
Proceeds from insurance claims of property and equipment11 — 
NET CASH USED IN INVESTING ACTIVITIES(29,476)(17,087)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments from other long-term liabilities, net(10)(19)
Proceeds from exercise of stock options505 157 
Taxes paid related to net share settlement of equity awards(183)(629)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES312 (491)
NET CHANGE IN CASH AND CASH EQUIVALENTS(22,717)(6,718)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD52,628 69,208 
CASH AND CASH EQUIVALENTS AT END OF PERIOD$29,911 $62,490 
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest paid$$
Income taxes paid$45 $66 
NON-CASH TRANSACTIONS
Transfer of rental equipment components to inventory$347 $144 
Transfer of prepaids to rental equipment and inventory$574 $— 
Right of use acquired through an operating lease$126 $— 

See accompanying notes to these unaudited condensed consolidated financial statements.
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Natural Gas Services Group, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)

(1) Basis of Presentation and Summary of Significant Accounting Policies

These notes apply to the unaudited condensed consolidated financial statements of Natural Gas Services Group, Inc. a Colorado corporation (the "Company", “NGSG”, "Natural Gas Services Group", "we" or "our").  The accompanying unaudited condensed consolidated financial statements include the accounts of the Company, its subsidiary, NGSG Properties, LLC and the rabbi trust associated with the Company's deferred compensation plan, see Note 4. All significant intercompany accounts and transactions for the periods presented have been eliminated in consolidation.

These financial statements include all adjustments, consisting of only normal recurring adjustments, which are necessary to make our financial position at June 30, 2019 and the results of our operations for the three and six months ended June 30, 2019 and 2018 not misleading.  As permitted by the rules and regulations of the Securities and Exchange Commission (SEC), the accompanying condensed consolidated financial statements do not include all disclosures normally required by generally accepted accounting principles in the United States of America (GAAP).  These financial statements should be read in conjunction with the financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2018 on file with the SEC.  In our opinion, the condensed consolidated financial statements are a fair presentation of the financial position, results of operations, changes in stockholders' equity and cash flows for the periods presented.

The results of operations for the three and six months ended June 30, 2019 are not necessarily indicative of the results of operations to be expected for the full fiscal year ending December 31, 2019.

Revenue Recognition Policy
The Company adopted ASC 606, Revenue from Contracts with Customers ("ASC 606") on January, 1, 2018. As a result, the Company has changed its accounting policy for revenue recognition as detailed below.    
The Company applied ASC 606 using the cumulative effect method. We had no significant changes in our recognition of revenue at adoption and our review of all open revenue from contracts with customers on January 1, 2018 indicated we had no adjustment to be made. If an adjustment had been needed, we would have recognized the cumulative effect of initially applying ASC 606 with an adjustment to the opening balance of equity at January 1, 2018.

Revenue is measured based on a consideration specified in a customer’s contract, excluding any sale incentives and taxes collected on behalf of third parties (i.e. sales and property taxes). We recognize revenue once our performance obligation has been satisfied and control over a product or service has transferred to the customer. Shipping and handling costs incurred are accounted for as fulfillment costs and are included in cost of revenues in our condensed consolidated income statement.

Nature of Goods and Services

The following is a description of principal activities from which the Company generates its revenue:
Rental Revenue. The Company generates revenue from renting compressors and flare systems to our customers. These contracts may also include a fee for servicing the compressor or flare during the rental contract. Our rental contracts range from six to twenty-four months, with revenue being recognized over time, in equal payments over the term of the contract. After the term of a contract has expired, a customer may renew their contract or continue renting on a monthly basis thereafter. In accordance ASC 842 – Leases, we have applied the practical expedient ASC 842-10-15-42A, which allows the Company to combine lease and non-lease components.

Sales Revenue. The Company generates revenue by the sale of custom/fabricated compressors, flare systems and parts, as well as, exchange/rebuilding customer owned compressors and sale of used rental equipment.

Custom/fabricated compressors and flare systems - The Company designs and fabricates compressors and flares based on the customer’s specifications outlined in their contract. Though the equipment being built is customized by the customer, control under these contracts does not pass to the customer until the compressor or flare package is complete and shipped, or in accordance with a bill and hold arrangements the customer accepts title and assumes the risk and rewards of ownership. We request some of our customers to make progressive payments as the product is being built; these payments are recorded as a contract liability on the Deferred Income line on the condensed consolidated balance sheet until control has been transferred.  

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These contracts also may include an assurance warranty clause to guarantee the product is free from defects in material and workmanship for a set duration of time; this is a standard industry practice and is not considered a performance obligation.

From time to time, upon the customer’s written request, we recognize revenue when manufacturing is complete and the equipment is ready for shipment. At the customer’s request, we will bill the customer upon completing all performance obligations, but before shipment. The customer will formally request that we ship the equipment per their direction from our manufacturing facility at a later specified date and that we segregate the equipment from our finished goods, such that they are not available to fill other orders. Per the customer’s agreement change of control is passed to the customer once the equipment is complete and ready for shipment. We have operated using bill and hold agreements with certain customers for many years, with consistent satisfactory results for both the customer and us. The credit terms on these agreements are consistent with the credit terms on all other sales. All control is shouldered by the customer and there are no exceptions to the customer’s commitment to accept and pay for the manufactured equipment. Revenues recognized related to bill and hold arrangements for the six months ended June 30, 2019 was approximately $6.1 million.
Parts - Revenue is recognized after the customer obtains control of the parts. Control is passed either by the customer taking physical possession or the parts being shipped. The amount of revenue recognized is not adjusted for expected returns, as our historical part returns have been de minimis.

Exchange or rebuilding customer owned compressors - Based on the contract, the Company will either exchange a new/rebuilt compressor for the customer’s malfunctioning compressor or rebuild the customer’s compressor. Revenue is recognized after control of the replacement compressor has transferred to the customer by physical delivery, delivery and installment or shipment of the compressor.

Used compressors or flares - From time to time, a customer may request to purchase a used compressor or flare out of our rental fleet. Revenue from the sale of rental equipment is recognized when the control has passed to the customer, when the customer has taken physical possession or the equipment has been shipped.

Service and Maintenance Revenue. The Company provides routine or call-out services on customer owned equipment. Revenue is recognized after services in the contract are rendered.

Payment terms for sales revenue and service and maintenance revenue discussed above are generally 30 to 60 days although terms for specific customers can vary. Also, the transaction prices are not subject to variable consideration constraints.

Disaggregation of Revenue

The following table shows the Company's revenue disaggregated by product or service type for the three and six months ended June 30, 2019 and 2018:

Three months ended June 30,Six months ended June 30,
(in thousands)(in thousands)
2019201820192018
Compressors - sales$4,788 $4,735 $7,496 $6,564 
Flares - sales106 969 541 1,491 
Other (Parts/Rebuilds) - sales920 679 1,902 1,326 
Service and maintenance509 394 988 643 
Total revenue from contracts with customers6,323 6,777 10,927 10,024 
Add: non-ASC 606 rental revenue13,572 11,427 26,959 22,898 
Total revenue$19,895 $18,204 $37,886 $32,922 








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Contract Balances

As of June 30, 2019 and December 31, 2018, we had the following receivables and deferred income from contracts with customers:

June 30, 2019December 31, 2018
(in thousands)
Accounts Receivable
Accounts receivable - contracts with customers$5,458 $2,250 
Accounts receivable - non-ASC 6066,258 5,260 
Total Accounts Receivable$11,716 $7,510 
Less: Allowance for doubtful accounts(333)(291)
Total Accounts Receivable, net$11,383 $7,219 
Deferred income$113 $81 

The Company recognized $35,000 in revenue for the six months ended June 30, 2019 that was included in deferred income at the beginning of 2019. For the year ended December 31, 2018, the Company recognized revenue of $176,000 from amounts related to sales that were included in deferred income at the beginning of 2018.

The changes in the balance of accounts receivable and deferred income were primarily due to normal timing differences between our performance and the customers’ payments.

Transaction Price Allocated to the Remaining Performance Obligations

As of June 30, 2019, the Company did not have revenue related to performance obligations under ASC 606-10-50-13.

Contract Costs 

The Company applies the practical expedient in ASC 340-40-25-4 and recognizes the incremental costs of obtaining contracts as an expense when incurred if the amortization period of the assets that the Company otherwise would have recognized is one year or less. These costs are included in selling, general and administrative expense on our consolidated income statement.

Leases

On January 1, 2019, we adopted ASC 842, Leases ("ASC 842") and all the related amendments using the modified retrospective method. We recognized the cumulative effect of initially applying the new lease standard and had no adjustments to retained earnings. The comparative information has not been restated and continues to be reported under the lease accounting standard in effect for those periods. We do not expect the adoption of the new lease standard to have a material impact to our net income on an ongoing basis.

The new lease standard requires all leases to be reported on the balance sheet as right-of-use assets and lease obligations. We elected the practical expedients permitted under the transition guidance of the new standard that retained the lease classification and initial direct costs for any leases that existed prior to adoption of the standard. We did not reassess whether any contracts or land easements entered into prior to adoption are leases or contain leases.









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The cumulative effect of the changes made to our consolidated balance sheet at January 1, 2019, for the adoption of ASU 2016-02, Leases, was as follows (in thousands):


Balance at December 31, 2018 Adjustments due to ASU 2016-02 Balance at January 1, 2019
Balance Sheet
Assets
Right of use assets$— $451 $451 
Liabilities
Current portion of operating leases$— $126 $126 
Long term portion of operating leases— 325 325 
Total lease liabilities$— $451 $451 

The Company, as a lessee, applies the practical expedient in ASC 842-10-15-37, and does not separate non-lease components from lease components, therefore, accounting for each separate lease component and its associated non-lease component, as a single lease component.

The Company, as a lessor, applies the practical expedient in ASC 842-10-15-42A, in leases that contain the same timing and pattern of transfer for lease and non-lease components and are deemed operating leases, the lessor is not required to separate non-lease components from lease components. Therefore, on any lease that meets these qualifications we have chosen to account for each separate lease component and its associated non-lease component, as a single lease component.

The Company applies the practical expedient in ASC 842-20-25-2, to recognize the lease payments in profit or loss on a straight-line basis over the lease term and variable lease payments in the period in which the obligation for those payments is incurred for leases with terms of 12 months or less.

Fair Value of Financial Instruments

Our financial instruments consist principally of cash and cash equivalents, accounts receivable, accounts payable, deferred compensation plan (cash portion) and our line of credit. Pursuant to ASC 820 (Accounting Standards Codification), the fair value of our cash equivalents is determined based on “Level 1” inputs, which consist of quoted prices in active markets for identical assets. We believe that the recorded values of all of our other financial instruments approximate their fair values because of their nature (variable rate debt) and relatively short maturity dates or durations.

Income Taxes
As part of the process of preparing our financial statements, we are required to estimate our federal income taxes as well as income taxes in each of the states in which we operate. We use an estimated annual effective tax rate for purposes of determining the income tax provision during interim reporting periods. In calculating our estimated annual effective tax rate, we consider forecasted annual pre-tax income and estimated permanent book versus tax differences, as well as tax credits. Adjustments to the effective tax rate and estimate will occur as information and assumptions change.This process involves us estimating our actual current tax exposure together with assessing temporary differences resulting from differing treatment of items for tax and accounting purposes. These differences result in deferred tax assets and liabilities, which are included in our consolidated balance sheet. We must then assess the likelihood that our deferred tax assets will be recovered from future taxable income and, to the extent we believe that recovery is not probable, we must establish a valuation allowance. To the extent we establish a valuation allowance or increase this allowance in a period, we must include an expense in the tax provision in the statement of operations.

Significant management judgment is required in determining our provision for income taxes, our deferred tax assets and liabilities and any valuation allowance recorded against our net deferred tax assets. We currently have no valuation allowance and fully expect to utilize all of our deferred tax assets.

ASC Topic 740 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. In order to record any financial statement benefit, we are required to determine, based on technical merits of the position, whether it is more likely than not (a likelihood
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of more than 50 percent) that a tax position will be sustained upon examination, including resolution of any related appeals or litigation processes. If that step is satisfied, then we must measure the tax position to determine the amount of benefit to recognize in the financial statements. The tax position is measured at the largest amount of the benefit that has a greater than 50 percent likely of being realized upon ultimate settlement.

Our policy regarding income tax interest and penalties is to expense those items as other expense.

During the fourth quarter of 2018, the Company discovered a potential uncertain tax position attributable to the deductibility of certain executive compensation expense for federal income tax purposes aggregating approximately $168,000, $149,000 and $230,000 for the years ended December 31, 2017, 2016 and 2015, respectively. As a result, in accordance with ASC Topic 740, during the fourth quarter of 2018, the Company recorded a tax adjustment of $547,000 and accrued penalty and interest expense of $55,000 attributable to the uncertain tax position. Management of the Company determined that the effect of the potential uncertain tax position on previously reported results of operations for the years ended December 31, 2017 and 2016 was not material. The Company plans on amending its previously filed federal income tax returns and is in the process of analyzing certain offsetting deductions to reduce the uncertain tax position reserve.


Reclassification of Prior Period Balances

Certain reclassifications have been made to prior period amounts, due to our adoption of ASC 842, to conform to the current-year presentation. These reclassifications had no effect on the financial statements.


(2) Stock-Based Compensation

Stock Options:

A summary of option activity under our 1998 Stock Option Plan as of December 31, 2018, and changes during the six months ended June 30, 2019 is presented below.

Number
 of
Stock Options
Weighted Average
Exercise
 Price
Weighted
Average
Remaining
Contractual Life (years)
Aggregate
Intrinsic
Value
(in thousands)
Outstanding, December 31, 2018283,686 $20.46 3.58$434 
Exercised(56,352)8.97 — 474 
Canceled/Forfeited(3,000)27.91 — — 
Outstanding, June 30, 2019224,334 $23.25 3.92$14 
Exercisable, June 30, 2019213,901 $23.01 3.74$14 

The following table summarizes information about our stock options outstanding at June 30, 2019:
 
Range of Exercise Prices
Options OutstandingOptions Exercisable
Shares
Weighted
Average
Remaining
Contractual
Life (years)
Weighted
Average
Exercise
Price
Shares
Weighted
Average
Exercise
Price
$0.01-15.708,500 2.57$14.89 8,500 $14.89 
$15.71-17.8142,000 1.0817.54 42,000 17.54 
$17.82-20.4850,500 1.8419.43 50,500 19.43 
$20.49-33.36123,334 5.8427.33 112,901 27.26 
224,334 3.92$23.25 213,901 $23.01 



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The summary of the status of our unvested stock options as of December 31, 2018 and changes during the six months ended June 30, 2019 is presented below.

 
 
 
Unvested stock options:
Shares
Weighted Average
Grant Date Fair Value Per Share
Unvested at December 31, 201820,865 $11.93 
Vested(10,432)11.93 
Unvested at June 30, 201910,433 $11.93 

As of June 30, 2019, there was $75,243 of unrecognized compensation cost related to unvested options.  Such cost is expected to be recognized over a weighted-average period of one year. Total compensation expense for stock options was $60,669 and $97,140 for the six months ended June 30, 2019 and 2018, respectively.

Restricted Shares/Units:

In accordance with the Company's employment agreement with Stephen Taylor, the Company's Chief Executive Officer, the Compensation Committee reviewed his performance in determining the issuance of restricted common stock. Based on this review which included consideration of the Company's 2018 performance, Mr. Taylor, was awarded 131,674 restricted shares/units on March 29, 2019, which vest over three years, in equal annual installments, beginning March 29, 2020. On March 29, 2019, the Compensation Committee awarded 20,000 restricted shares/units to each of G. Larry Lawrence, our CFO, and James Hazlett, our Vice President of Technical Services. The restricted shares to Messrs. Lawrence and Hazlett vest over three years, in equal annual installments, beginning March 29, 2020. We also awarded and issued 23,136 shares of restricted common stock to the independent members of our Board of Directors as partial payment for 2019 services as directors. The restricted stock issued to our directors vests over one year, in quarterly installments, beginning March 31, 2020. Total compensation expense related to restricted awards was $1.1 million and $978,432 for the six months ended June 30, 2019 and 2018, respectively. As of June 30, 2019, there was a total of $4.9 million of unrecognized compensation expense related to these shares/units which is expected to be recognized over the next three years.


(3) Inventory

Our inventory, net of allowance for obsolescence of $21,000 at June 30, 2019 and $19,000 December 31, 2018 consisted of the following amounts:
June 30, 2019December 31, 2018
(in thousands)
Raw materials - current$24,021 $26,152 
Raw materials - long term, net3,873 3,980 
Finished Goods1,022 1,022 
Work in process5,259 3,800 
$34,175 $34,954 

Our long-term inventory consists of raw materials that remain viable but that the Company does not expect to sell or use within the year.

During the six months ended June 30, 2019 and 2018, there were no write-offs of obsolete inventory against the allowance for obsolescence.


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(4) Deferred Compensation Plan

The Company has a non-qualified deferred compensation plan for executive officers, directors and certain eligible employees. The assets of the deferred compensation plan are held in a rabbi trust and are subject to additional risk of loss in the event of bankruptcy or insolvency of the Company. The plan allows for deferral of up to 90% of a participant’s base salary, bonus, commissions, director fees and restricted stock unit awards. A Company owned life insurance policy held in a rabbi trust is utilized as a source of funding for the plan. The cash surrender value of the life insurance policy is $1.3 million and $1.0 million as of June 30, 2019 and 2018, respectively. For the six months ending June 30, 2019, we reported in other income (expense) in the consolidated income statement a gain related to the policy of approximately $131,000 and for the same period in 2018, a loss of approximately $55,000.

For deferrals of base salary, bonus, commissions and director fees, settlement payments are made to participants in cash, either in a lump sum or in periodic installments. The obligation to pay the deferred compensation and the deferred director fees is adjusted to reflect the positive or negative performance of investment measurement options selected by each participant and was $1.4 million and $1.1 million as of June 30, 2019 and 2018, respectively. The deferred obligation is included in other long-term liabilities in the condensed consolidated balance sheet.

For deferrals of restricted stock units, the plan does not allow for diversification, therefore, distributions are paid in shares of common stock and the obligation is carried at grant value. As of June 30, 2019 and 2018, respectively, we have 62,145 and 103,691 unvested restricted stock units being deferred. As of June 30, 2019 and 2018, respectively we have released and issued 79,688 and 32,936 shares to the deferred compensation plan with a value of $1.7 million and $837,589, respectively.


(5) Credit Facility

We have a senior secured revolving credit agreement the ("Amended Credit Agreement") with JP Morgan Chase Bank, N.A (the "Lender") with an aggregate commitment of $30 million, subject to collateral availability. We also have a right to request from the Lender, on an uncommitted basis, an increase of up to $20 million on the aggregate commitment (which could potentially increase the commitment amount to $50 million). On August 31, 2017, we amended and renewed the Amended Credit Agreement, extending the maturity date to December 31, 2020. No other material revisions were made to the credit facility.

Borrowing Base. At any time before the maturity of the Amended Credit Agreement, we may draw, repay and re-borrow amounts available under the borrowing base up to the maximum aggregate availability discussed above. Generally, the borrowing base equals the sum of (a) 80% of our eligible accounts receivable plus (b) 50% of the book value of our eligible general inventory (not to exceed 50% of the commitment amount at the time) plus (c) 75% of the book value of our eligible equipment inventory.  The Lender may adjust the borrowing base components if material deviations in the collateral are discovered in future audits of the collateral. We had $29.5 million borrowing base availability at June 30, 2019 under the terms of our Amended Credit Agreement.
 
Interest and Fees.  Under the terms of the Amended Credit Agreement, we have the option of selecting the applicable variable rate for each revolving loan, or portion thereof, of either (a) LIBOR multiplied by the Statutory Reserve Rate (as defined in the Amended Credit Agreement), with respect to this rate, for Eurocurrency funding, plus the Applicable Margin (“LIBOR-based”), or (b) CB Floating Rate, which is the Lender's Prime Rate less the Applicable Margin; provided, however, that no more than three LIBOR-based borrowings under the agreement may be outstanding at any one time. For purposes of the LIBOR-based interest rate, the Applicable Margin is 1.50%. For purposes of the CB Floating Rate, the Applicable Margin is 1.50%. For the six month period ended June 30, 2019, our weighted average interest rate was 3.69%.

Accrued interest is payable monthly on outstanding principal amounts, provided that accrued interest on LIBOR-based loans is payable at the end of each interest period, but in no event less frequently than quarterly. In addition, fees and expenses are payable in connection with our requests for letters of credit (generally equal to the Applicable Margin for LIBOR-related borrowings multiplied by the face amount of the requested letter of credit) and administrative and legal costs.
 
Maturity. The maturity date of the Amended Credit Agreement is December 31, 2020, at which time all amounts borrowed under the agreement will be due and outstanding letters of credit must be cash collateralized. The agreement may be terminated early upon our request or the occurrence of an event of default.
 
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Security. The obligations under the Amended Credit Agreement are secured by a first priority lien on all of our inventory and accounts and leases receivables, along with a first priority lien on a variable number of our leased compressor equipment the book value of which must be maintained at a minimum of 2.00 to 1.00 commitment coverage ratio (such ratio being equal to (i) the amount of the borrowing base as of such date to (ii) the amount of the commitment as of such date).
 
Covenants. The Amended Credit Agreement contains customary representations and warranties, as well as covenants which, among other things, limit our ability to incur additional indebtedness and liens; enter into transactions with affiliates; make acquisitions in excess of certain amounts; pay dividends; redeem or repurchase capital stock or senior notes; make investments or loans; make negative pledges; consolidate, merge or effect asset sales; or change the nature of our business. In addition, we also have certain financial covenants that require us to maintain on a consolidated basis a leverage ratio less than or equal to 2.50 to 1.00 as of the last day of each fiscal quarter.

Events of Default and Acceleration. The Amended Credit Agreement contains customary events of default for credit facilities of this size and type, and includes, without limitation, payment defaults; defaults in performance of covenants or other agreements contained in the loan documents; inaccuracies in representations and warranties; certain defaults, termination events or similar events; certain defaults with respect to any other Company indebtedness in excess of $50,000; certain bankruptcy or insolvency events; the rendering of certain judgments in excess of $150,000; certain ERISA events; certain change in control events and the defectiveness of any liens under the secured revolving credit facility. Obligations under the Amended Credit Agreement may be accelerated upon the occurrence of an event of default.
 
As of June 30, 2019, we were in compliance with all covenants in our Amended Credit Agreement.  A default under our Credit Agreement could trigger the acceleration of our bank debt so that it is immediately due and payable.  Such default would likely limit our ability to access other credit. At June 30, 2019 and December 31, 2018, our outstanding balance on the line of credit was $417,000.

(6) Leases

The Company adopted the new lease standard on January 1, 2019 using the modified retrospective transition method. Prior periods were not retrospectively adjusted and continue to be reported under the accounting standards in effect for those periods. The Company elected the package of practical expedients permitted under the transition guidance within the new lease standard, which among other things, allowed the company to continue to account for existing leases based on the historical lease classification. The Company also elected the practical expedients to exclude right-of-use ("ROU") assets and lease liabilities for leases with an initial term of 12 months or less from the balance sheet, and to combine lease and non-lease components for property leases, which primarily relate to ancillary expenses such as common area maintenance charges and management fees.

The Company determines if an arrangement is a lease at inception by assessing whether it conveys the right to control the use of an identified asset for a period of time in exchange for consideration. The Company’s leases are primarily related to property leases for its field offices. The Company's leases have remaining lease terms of one to 10 years. Renewal and termination options are included in the lease term when it is reasonably certain that the Company will exercise the option.

The Company's lease agreements do not contain any contingent rental payments, material residual guarantees or material restrictive covenants.

ROU assets and lease liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term. As substantially all of the Company's leases do not provide an implicit rate, the Company uses its incremental borrowing rate to determine the present value of lease payments. Based on the present value of lease payments for the Company's existing leases, the Company recorded net lease assets and lease liabilities of approximately $451,000, respectively, upon adoption. The Company had no finance leases. The new lease standard did not materially impact the Company's consolidated statements of operations and had no impact on the Company's consolidated statements of cash flows.










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The impact of the new lease standard on the June 30, 2019 consolidated balance sheet was as follows:


Classification on the Condensed Consolidated Balance SheetJune 30, 2019
(in thousands, except years)
Operating lease assetsRight of use assets-operating leases$494 
Current lease liabilitiesCurrent operating leases$129 
Noncurrent lease liabilitiesLong-term operating leases365 
Total lease liabilities$494 
Weighted average remaining lease term in years2.8
Implicit Rate3.8 %

Operating lease costs are recognized on a straight-line basis over the lease term. Total operating lease costs for the six months ended June 30, 2019 was approximately $385,000, which included approximately $285,000 related to short-term lease costs.

June 30, 2019
(in thousands)
Cash paid for amounts included in the measurement of lease liabilities
Operating lease cost(1)
$100 

(1) Lease costs are classified on the condensed consolidated statements of income in cost of sales, cost of compressors and selling, general and administrative expenses.

The following table shows the future maturities of lease liabilities:


Years Ending December 31,Lease Liabilities
(in thousands)
2019 (excluding the six months ended June 30, 2019)$83 
2020116 
202195 
202243 
202335 
Thereafter190 
Total lease payments562 
Less: Imputed interest68 
Total$494 










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As previously disclosed on Form 10-K and under the previous lease standard (Topic 840), future minimum obligations under lease commitments in effect at December 31, 2018 as follows:

Operating Leases
(in thousands)
2019$298 
2020118 
202197 
202244 
202335 
Thereafter15 
Total$607 



(7) Earnings per Share

The following table reconciles the numerators and denominators of the basic and diluted earnings per share computation (in thousands, except per share data):

Three months endedSix months ended
June 30,June 30,
2019201820192018
Numerator:
Net income$573 $247 $930 $472 
Denominator for basic net income per common share:
Weighted average common shares outstanding13,134 12,963 13,100 12,941 
Denominator for diluted net income per share:
Weighted average common shares outstanding13,134 12,963 13,100 12,941 
Dilutive effect of stock options and restricted stock328 298 268 274 
Diluted weighted average shares13,462 13,261 13,368 13,215 
Earnings per common share:
Basic$0.04 $0.02 $0.07��$0.04 
Diluted$0.04 $0.02 $0.07 $0.04 

In the three months ended June 30, 2019, options to purchase 215,834 shares of common stock with exercise prices ranging from $16.74 to $33.36 were not included in the computation of diluted income per share, due to their antidilutive effect.

In the six months ended June 30, 2019, options to purchase 205,834 shares of common stock with exercise prices ranging from $17.74 to $33.36 were not included in the computation of diluted income per share, due to their antidilutive effect

In the three and six months ended June 30, 2018, options to purchase 83,417 shares of common stock with exercise prices ranging from $28.15 to $33.36 were not included in the computation of diluted income per share, due to their antidilutive effect.







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(8) Segment Information
 
ASC 280-10-50, “Operating Segments", defines the characteristics of an operating segment as: a) being engaged in business activity from which it may earn revenue and incur expenses, b) being reviewed by the Company's chief operating decision maker (CODM) for decisions about resources to be allocated and assess its performance and c) having discrete financial information.  Although we look at our products to analyze the nature of our revenue, other financial information, such as certain costs and expenses, net income and EBITDA are not captured or analyzed by these categories.  Our CODM does not make resource allocation decisions or access the performance of the business based on these categories, but rather in the aggregate. Based on this, management believes that it operates in one business segment.
 
In their analysis of product lines as potential operating segments, management also considered ASC 280-10-50-11, “Aggregation Criteria”, which allows for the aggregation of operating segments if the segments have similar economic characteristics and if the segments are similar in each of the following areas:
 
The nature of the products and services;

The nature of the production processes;

The type or class of customer for their products and services;

The methods used to distribute their products or provide their services; and

The nature of the regulatory environment, if applicable.
 
We are engaged in the business of designing and manufacturing compressors and flares. Our compressors and flares are sold and rented to our customers. In addition, we provide service and maintenance on compressors in our fleet and to third parties. These business activities are similar in all geographic areas.  Our manufacturing process is essentially the same for the entire Company and is performed in-house at our facilities in Midland, Texas and Tulsa, Oklahoma.  Our customers primarily consist of entities in the business of producing natural gas and crude oil.  The maintenance and service of our products is consistent across the entire Company and is performed via an internal fleet of vehicles.  The regulatory environment is similar in every jurisdiction in that the most impacting regulations and practices are the result of federal energy policy.  In addition, the economic characteristics of each customer arrangement are similar in that we maintain policies at the corporate level.

For the three months ended June 30, 2019 (in thousands):
RentalSalesService & MaintenanceCorporateTotal
Revenue$13,572 $5,814 $509 $— $19,895 
Operating costs and corporate expenses6,359 4,419 159 8,365 19,302 
Total other income, net— — — 177 177 
Income before provision for income taxes$7,213 $1,395 $350 $(8,188)$770 

For the three months ended June 30, 2018 (in thousands):
RentalSalesService & MaintenanceCorporateTotal
Revenue$11,427 $6,383 $394 $— $18,204 
Operating costs and corporate expenses5,195 4,924 101 7,758 17,978 
Total other income, net— — — 75 75 
Income before provision for  income taxes$6,232 $1,459 $293 $(7,683)$301 




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For the six months ended June 30, 2019 (in thousands):
RentalSalesService & MaintenanceCorporateTotal
Revenue$26,959 $9,939 $988 $— $37,886 
Operating costs and expenses12,244 8,118 306 16,416 37,084 
Total other income, net— — — 478 478 
Income before provision for income taxes$14,715 $1,821 $682 $(15,938)$1,280 


For the six months ended June 30, 2018 (in thousands:
RentalSalesService & MaintenanceCorporateTotal
Revenue$22,898 $9,381 $643 $— $32,922 
Operating costs and expenses9,899 7,115 166 15,166 32,346 
Total other expense, net— — — (1)(1)
Income before provision for income taxes$12,999 $2,266 $477 $(15,167)$575 










(9)  Commitments and Contingencies

From time to time, we are a party to various legal proceedings in the ordinary course of our business.  While management is unable to predict the ultimate outcome of these actions, it believes that any ultimate liability arising from these actions will not have a material adverse effect on our financial position, results of operations or cash flow.  We are not currently a party to any material legal proceedings, and we are not aware of any threatened material litigation.

As of June 30, 2019, the Company has a remaining contractual obligation related to the construction of a new corporate office of approximately $1.4 million, to be financed by cash on hand. Construction of a new office began in late 2017 and is expected to be completed in 2019.



(10) Related Party

In 2016, we entered into a joint venture partnership, N-G, LLC (‘N-G”), with Genis Holdings, LLC (“Genis”) to explore new technologies for wellhead compression. NGS and Genis both share 50% ownership of N-G. In 2018, we ordered some compressor packages from Genis, totaling $1.0 million. The compressors were completed and delivered during the first quarter of 2019. As of June 30, 2019, we paid the units in full which has been reclassified from prepaids and is included in rental equipment on the consolidated balance sheet.

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Item 2.   Management’s Discussion and Analysis of Financial Condition and Results of Operations

The discussion and analysis of our financial condition and results of operations are based on, and should be read in conjunction with, our condensed, consolidated financial statements and the related notes included elsewhere in this report and  in our Annual Report on Form 10-K for the year ended December 31, 2018 filed with the SEC.

Overview

We fabricate, manufacture, rent, and sell natural gas compressors and related equipment. Our primary focus is on the rental of natural gas compressors. Our rental contracts generally provide for initial terms of six to 24 months. After the initial term of our rental contracts, many of our customers have continued to rent our compressors on a month-to-month basis. Rental amounts are billed monthly in advance and include maintenance of the rented compressors. As of June 30, 2019, we had 1,374 natural gas compressors totaling 247,879 horsepower rented to 97 customers compared to 1,247 natural gas compressors totaling 194,948 horsepower rented to 88 customers at June 30, 2018.

We also fabricate natural gas compressors for sale to our customers, designing compressors to meet unique specifications dictated by well pressures, production characteristics, and particular applications for which compression is sought. Fabrication of compressors involves our purchase of engines, compressors, coolers, and other components, and our assembling of these components on skids for delivery to customer locations. The major components of our compressors packages are acquired through periodic purchase orders placed with third-party suppliers on an “as needed” basis, which presently require lead times between three to six months with delivery dates scheduled to coincide with our estimated production schedules. Although we do not have formal continuing supply contracts with any major supplier, we believe we have adequate alternative sources available. In the past, we have not experienced any sudden and dramatic increases in the prices of the major components for our compressors. However, the occurrence of such an event could have a material adverse effect on the results of our operations and financial condition, particularly if we were unable to increase our rental rates and sales prices proportionate to any such component price increases.

We also manufacture a proprietary line of compressor frames, cylinders and parts, known as our CiP (Cylinder-in-Plane) product line. We use finished CiP component products in the fabrication of compressor units for sale or rental by us or sell the finished component products to other compressor fabricators. We also design, fabricate, sell, install, and service flare stacks and related ignition and control devices for onshore and offshore incineration of gas compounds such as hydrogen sulfide, carbon dioxide, natural gas and liquefied petroleum gases. To provide customer support for our compressor and flare sales businesses, we stock varying levels of replacement parts at our Midland, Texas facility and at field service locations. We also provide an exchange and rebuild program for screw compressors and maintain an inventory of new and used compressors to facilitate this business.

We provide service and maintenance to our customers under written maintenance contracts or on an as-required basis in the absence of a service contract. Formal maintenance agreements typically have terms of six months to one year and require payment of a monthly fee.

The oil and natural gas equipment rental and services industry is cyclical in nature. The most critical factor in assessing the outlook for the industry is the worldwide supply and demand for natural gas and crude oil and the corresponding changes in commodity prices. As demand and prices increase, oil and natural gas producers increase their capital expenditures for drilling, development and production activities. Generally, the increased capital expenditures ultimately result in greater revenues and profits for services and equipment companies.

In general, we expect our overall business activity and revenues to track the level of activity in the oil and natural gas industry, with changes in domestic natural gas production and consumption levels and prices affecting our business marginally more than changes in crude oil and condensate production and consumption levels and prices. However, in recent years we have increased our rental and sales in the non-conventional oil shale plays which are more dependent on crude oil prices. With this shift towards oil-associated gas production the demand for overall compression services and products is driven by two general factors; declining reservoir pressure in maturing natural gas producing fields, especially non-conventional production, and an increased focus by producers on artificial lift applications; e.g., production enhancement with compression assisted gas lift. These type of applications have historically been serviced by wellhead size compressors, and continue to be, but there has also been an economic move by our customers towards centralized drilling and production facilities which have increased the market need for larger horsepower compressor packages. We recognized this need over the past two to three years and have been shifting our cash and fabrication resources towards designing, fabricating and renting gas compressor packages that range
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from 400 horsepower up to 1,380 horsepower. While this is a response to market conditions and trends, it also provides us with the opportunity to compete as a full-line compression provider.
 
We typically experience a decline in demand during periods of low crude oil and natural gas prices. Low crude oil and natural gas prices experienced throughout 2016 continued into mid-2017. In the latter half of 2017, we began to see an increase in oil prices and activity that continued into 2018. We anticipate a continuation of prices at levels that E&P companies find sufficient to invest in producing activities throughout 2019. While the continuation of this level of activity is uncertain and variable period to period, we believe the long-term trend in our market is favorable.


Results of Operations

Three months ended June 30, 2019, compared to the three months ended June 30, 2018.

The table below shows our revenues and percentage of total revenues of each of our product lines for the three months ended June 30, 2019 and 2018.

Revenue Three months ended June 30,
(in thousands)
20192018
Rental$13,572 68 %$11,427 63 %
Sales5,814 29 %6,383 35 %
Service and Maintenance509 %394 %
Total$19,895 $18,204 

Total revenue increased to $19.9 million from $18.2 million, or 9.3%, for the three months ended June 30, 2019, compared to the same period ended June 30, 2018. The increase is mainly a result of an increase in rental revenue due to a greater number of units and higher horsepower with higher rates being rented.

Rental revenue increased to $13.6 million from $11.4 million for the three months ended June 30, 2019, compared to the same period ended June 30, 2018. We ended the quarter with 2,572 compressor packages in our fleet, up from 2,557 units at June 30, 2018. The rental fleet had a unit utilization as of June 30, 2019 and 2018, respectively of 53.4% and 48.8% while our horsepower utilization for the same periods, respectively was 59.9% and 50.9%. The rise in both utilizations is mainly the result of the rise in demand for our higher horsepower units. In the event that oil and natural gas prices remain steady or continue to increase, we expect to see a continued increase in the utilization of our fleet.

Sales revenue decreased to $5.8 million from $6.4 million for the three months ended June 30, 2019 compared to the same period ended June 30, 2018. This decrease is the result of fluctuations in timing of industry activity related to capital projects. We believe this timing is reflective of the typical sales cycle, resulting in fluctuating compressor unit sales to third parties from our Tulsa and Midland operations.

Our overall operating income increased to $593,000 compared to $226,000 for the three months ended June 30, 2019 and June 30, 2018, respectively. The increase in operating income was largely due to higher rental revenues.

Selling, general, and administrative expense increased to $2.7 million from $2.3 million for the three months ended June 30, 2019, and June 30, 2018, respectively. The increase in selling, general and administrative expenses is largely due to an increase in officer incentive bonuses.
 
Depreciation and amortization expense increased slightly to $5.7 million for the three months ended June 30, 2019, from $5.4 million for the period ended June 30, 2018.  This increase is the result of larger horsepower units being added to the fleet. We added 33 units (approximately 30,000 horsepower) to our fleet over the past 12 months. Twenty-eight of these were 400 horsepower or larger; representing 98% of the horsepower added.
We had an income tax expense of $197,000 resulting in an effective tax rate of 25.6% for the three months ended June 30, 2019 as compared to $54,000 resulting in an effective tax rate of 17.9% for the three months ended June 30, 2018. The change in the effective tax rate is a result of the recording an R&D credit in 2018.

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Six months ended June 30, 2019, compared to the six months ended June 30, 2018.

The table below shows our revenues and percentage of total revenues of each of our product lines for the six months ended June 30, 2019 and 2018.

Revenue Six months ended June 30,
(in thousands)
20192018
Rental$26,959 71 %$22,898 70 %
Sales9,939 26 %9,381 28 %
Service and Maintenance988 %643 %
Total$37,886 $32,922 

Total revenue increased to $37.9 million from $32.9 million, or 15.1%, for the six months ended June 30, 2019, compared to the same period ended June 30, 2018. Comparing the six months ended June 30, 2019 to the same period in 2018, rental revenue increased 17.7% and sales revenue increased 5.9%.

Rental revenue increased to $27.0 million from $22.9 million for the six months ended June 30, 2019, compared to the same period ended June 30, 2018.  We ended the quarter with 2,572 compressor packages in our rental fleet up from 2,557 units at June 30, 2018.  The rental fleet had a utilization of 53.4%, as of June 30, 2019 compared to 48.8% while our horsepower utilization for the same periods, respectively was 59.9% and 50.9%. The rise in utilization is mainly the result of the rise in demand for our higher horsepower units. In the event that oil and natural gas prices remain steady or increase, we expect to see a continued increase in the utilization of our fleet.

Sales revenue increased to $9.9 million from $9.4 million for the six months ended June 30, 2019, compared to the same period ended June 30, 2018.  This increase is the result of the fluctuations in timing of industry activity related to capital projects. We believe this timing is reflective of the typical sales cycle, resulting in fluctuating compressor unit sales to third parties from our Tulsa and Midland operations.

Our overall operating income increased to $802,000 from $576,000 for the six months ended June 30, 2019 compared to the same period ended 2018. Our overall operating income increase is largely due to the increase in rental revenue.

Selling, general, and administrative expense increased to $5.2 million from $4.3 million, for the six months ended June 30, 2019, as compared to the same period ended June 30, 2018, due to an increase in officer incentive bonuses.

Depreciation and amortization expense increased to $11.2 million for the six months ended June 30, 2019, compared to $10.8 million for the period ended June 30, 2018.  This increase is the result of large horsepower units being added to the fleet. We added 33 units (approximately 30,000 horsepower) to our fleet over the past 12 months. Twenty-eight of these were 400 horsepower or larger; representing 98% of the horsepower added.

We had an income tax expense of $350,000 resulting in an effective tax rate of 27.3% for the six months ended June 30, 2019 as compared to $103,000 resulting in an effective tax rate of 17.9% for the six months ended June 30, 2018. The increase in the provision is a result of an increase in pretax income and the recording of an R&D credit in 2018.










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Liquidity and Capital Resources

Our working capital positions as of June 30, 2019 and December 31, 2018 are set forth below:

June 30,December 31,
20192018
(in thousands)
Current Assets:
Cash and cash equivalents$29,911 $52,628 
Trade accounts receivable, net11,383 7,219 
Inventory30,302 30,974 
Prepaid income taxes3,146 3,148 
Prepaid expenses and other1,880 2,430 
Total current assets76,622 96,399 
Current Liabilities:
Accounts payable2,579 2,122 
Accrued liabilities3,999 8,743 
Current operating leases129 — 
Deferred income113 81 
Total current liabilities6,820 10,946 
Total working capital$69,802 $85,453 

For the six months ended June 30, 2019, we invested $29.4 million in property and equipment. During these six months we added $16.7 million in new equipment to our rental fleet, $2.8 million in payments related to the construction of our new corporate office, $425,000 in office furniture and equipment and $963,000 in vehicles. Our investment in property and equipment also includes any changes between work in progress related to rental fleet jobs started and completed during the period, this change was an increase to the property and equipment of $8.6 million. Even though we have idle rental equipment, at times we do not have the specific type of equipment that our customers require, therefore we have to build new equipment to satisfy their needs.  We financed this activity with cash flow from operations and cash on hand.

Cash flows

At June 30, 2019, we had cash and cash equivalents of $29.9 million compared to $52.6 million at December 31, 2018. Our cash flow from operations of $6.4 million was offset by capital expenditures of $29.4 million, during the six months ended June 30, 2019.  We had working capital of $69.8 million at June 30, 2019 compared to $85.5 million at December 31, 2018. On June 30, 2019 and December 31, 2018, we had outstanding debt of $417,000, which is all related to our line of credit. We had positive net cash flow from operating activities of $6.4 million during the first six months of 2019 compared to $10.9 million for the first six months of 2018.  The cash flow from operations of $6.4 million was primarily the result of the net income of $930,000 and the non-cash items of depreciation of $11.2 million, $1.1 million related to the expenses associated with stock-based compensation, and a decrease in cash flows related to working capital and other of $6.8 million.

Strategy

For the remainder of the fiscal year 2019, our overall plan is to continue monitoring and holding expenses in line with the anticipated level of activity, fabricate rental fleet equipment only in direct response to market requirements, emphasize marketing of our idle gas compressor units and limit bank borrowing in line with market conditions.  For the remainder of 2019, our forecasted capital expenditures with respect to compression equipment will be directly dependent upon our customers’ compression requirements and are not anticipated to exceed our internally generated cash flows and cash on hand.  Any required capital will be for additions to our compressor rental fleet and/or addition or replacement of service vehicles.  We believe that cash flows from operations, our current cash position and our line of credit will be sufficient to satisfy our capital and liquidity requirements for the foreseeable future.  We may require additional capital to fund any
21


unanticipated expenditures, including any acquisitions of other businesses, although that capital, beyond our line of credit, as discussed below may not be available to us when we need it or on acceptable terms. 

Bank Borrowings

We have a senior secured revolving credit agreement the ("Amended Credit Agreement") with JP Morgan Chase Bank, N.A. (the "Lender") with an aggregate commitment of $30 million, subject to collateral availability. We also have a right to request from the lender, on an uncommitted basis, an increase of up to $20 million on the aggregate commitment (which could potentially increase the commitment amount to $50 million). On August 31, 2017, we amended and renewed the Amended Credit Agreement, extending the maturity date to December 31, 2020. No other material revisions were made to the credit facility. We had $29.5 million borrowing base availability at June 30, 2019 under the terms of our Amended Credit Agreement, and our balance on the line of credit was $417,000. For further information, see Note 5 "Credit Facility" on page 12.

Contractual Obligations and Commitments

We have contractual obligations and commitments that affect the results of operations, financial condition and liquidity. The following table is a summary of our significant cash contractual obligations as of June 30, 2019:



Obligations Due in Period
 (in thousands)
Cash Contractual Obligations
2019 (1)
2020202120222023Total
Line of credit (secured)$— $417 $— $— $— $417 
Interest on line of credit(2)
17 — — — 25 
Purchase obligations(3)
245 400 111 — — 756 
Other long-term liabilities— — 47 — — 47 
Total$253 $834 $158 $— $— $1,245 

(1) For the six months remaining in 2019.
(2) Assumes an interest rate of 4.0% and no additional borrowings.
(3) Vendor exclusive purchase agreement related to paint and coatings.

The Company also has a contractual obligation related to the construction of a new corporate office of approximately $1.4 million, which we intend to finance by cash on hand. Construction of a new office began in late 2017 and is expected to be completed in 2019.


Critical Accounting Policies and Practices

There have been no changes in the critical accounting policies disclosed in the Company's Form 10-K for the year ended December 31, 2018.

Recently Issued Accounting Pronouncements

For further information, see Note 1 "Basis of Presentation and Summary of Significant Accounting Polices" on page 6.
 Off-Balance Sheet Arrangements

From time-to-time, we enter into off-balance sheet arrangements and transactions that can give rise to off-balance sheet obligations.  As of June 30, 2019, the off-balance sheet arrangements and transactions that we have entered into include operating lease agreements and purchase agreements.  We do not believe that these arrangements are reasonably likely to materially affect our liquidity, availability of, or requirements for, capital resources.


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Special Note Regarding Forward-Looking Statements

Except for historical information contained herein, the statements in this report are forward-looking and made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.  Forward-looking statements involve known and unknown risks and uncertainties, which may cause our actual results in future periods to differ materially from forecasted results.  Those risks include, among other things, the loss of market share through competition or otherwise; the introduction of competing technologies by other companies; a prolonged, substantial reduction in oil and natural gas prices which could cause a decline in the demand for our products and services; and new governmental safety, health and environmental regulations which could require us to make significant capital expenditures. The forward-looking statements included in this Form 10-Q are only made as of the date of this report, and we undertake no obligation to publicly update such forward-looking statements to reflect subsequent events or circumstances. A discussion of these and other risk factors is included in our Annual Report on Form 10-K for the year ended December 31, 2018 filed with the SEC.

Item 3.   Quantitative and Qualitative Disclosures about Market Risk

There have been no changes in the market risks disclosed in the Company's Form 10-K for the year ended December 31, 2018.


Item 4.  Controls and Procedures

Evaluation of Disclosure Controls and Procedures.

An evaluation was carried out under the supervision and with the participation of our management, including our President and Chief Executive Officer and our Vice President and Principal Accounting Officer, of the effectiveness of the design and of our “disclosure controls and procedures” (as such term is defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended or, the “Exchange Act”) as of the end of the period covered by this report pursuant to Exchange Act Rule 13a-15. Based upon that evaluation, the President and Chief Executive Officer and our Vice President and Principal Accounting Officer have concluded that, as of the end of the period covered by this report, adjustments must be made to the design of our controls in order to maintain an effective control environment with formal accounting policies and controls. The evaluation is a continuation of a review process that started in the fourth quarter of 2018 when we determined that there was a material weakness in our internal controls over financial reporting related to our review of the tax provision. A material weakness is a deficiency, or a combination of control deficiencies, in internal control over financial reporting such that there is a reasonable possibility that a material misstatement of our annual or interim financial statements will not be prevented or detected on a timely basis.

Material Weaknesses in Internal Control over Financial Reporting.

During the fourth quarter of fiscal year 2018, we identified a material weakness in internal controls over financial reporting related to our accounting and reporting of income tax expense (benefit), the related balance sheet accounts and other comprehensive income. In detail, we did not design and maintain an effective control environment with formal accounting policies and controls to adequately provide sufficient information for the preparation of our tax provision to our third party tax professionals and did not provide an appropriate level or sufficient review of the tax provision. The material weakness created a reasonable possibility that there could be a material misstatement of our annual or interim financial.

This material weakness resulted in a material misstatement in the provision for income taxes in our consolidated financial statement as of and for the years ended December 31, 2017, 2016 and 2015. The misstatements were not material to any individual year. Consolidated financial statements included in Annual Report on Form 10-K issued as of December 31, 2018 reflect the correction of the material misstatement of income tax expense (benefit), the related consolidated balance sheet and the consolidated income statement accounts.


We are undergoing ongoing evaluations, enhancements and implementation in our internal significant over financial reporting, regarding and to address the identified material weakness and significant deficiency. We have taken measures to improve our controls related to the material weakness and significant deficiency in the first quarter of 2019, but have not completed our review. Our objective is to complete remediation of our material weakness and significant deficiency by the end of 2019.

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There have been no other changes in our internal control over financial reporting that occurred during our fiscal quarter ended June 30, 2019, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II – OTHER INFORMATION


Item 1.  Legal Proceedings
 
From time to time, we are a party to various legal proceedings in the ordinary course of our business.  While management is unable to predict the ultimate outcome of these actions, it believes that any ultimate liability arising from these actions will not have a material adverse effect on our financial position, results of operations or cash flow.  We are not currently a party to any material legal proceedings and we are not aware of any threatened litigation.

Item 1A.  Risk Factors

Please refer to and read “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2018 for a discussion of the risks associated with our Company and industry.
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Item 6.   Exhibits

The following exhibits are filed herewith or incorporated herein by reference, as indicated:

Exhibit No.Description
Articles of Incorporation, as amended (Incorporated by reference to Exhibit 3.1 of the 10-QSB filed and dated November 10, 2004)
Bylaws as amended (Incorporated by reference to Exhibit 3.1 of the Registrant's current report on form 8-K filed with the Securities and Exchange Commission on June 21, 2016.

Lease Agreement, dated January 9, 2018, between WNB Tower, LTD and Natural Gas Services Group, Inc. (Incorporated by reference to Exhibit 10.15 of the Registrant’s  Form 10-K for the fiscal year ended December 31, 2017 and filed with the Securities and Exchange Commission on March 9, 2018.)
2009 Restricted Stock/Unit Plan, as amended (Incorporated by reference to Exhibit 99.1 of the Registrant’s Current Report on Form 8-K dated June 3, 2014 and filed with the Securities and Exchange Commission on June 6, 2014.)
Stock Option Plan, as amended and restated (Incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on June 21, 2016.)
Credit Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated December 10, 2010 (Incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on November 24, 2014.)
Fifth Amendment of Credit Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated August 31, 2017 (Incorporated by reference to Exhibit 10.2 of the Registrant's Current report on Form 8-K filed with the Securities and Exchange Commission on September 7, 2017.)
Security Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated December 10, 2010 (Incorporated by reference to Exhibit 10.2 of the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on December 16, 2011.)
Fourth Security Agreement between Natural Gas Services Group, Inc. and JPMorgan Chase Bank, N.A., dated August 31, 2017 (Incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 7, 2017.)
Promissory Note in the aggregate amount of $30,000,000 issued to JPMorgan Chase Bank, N.A., dated August 31, 2017, in connection with the revolving credit line under the Credit Agreement with JPMorgan Chase Bank, N.A. (Incorporated by reference to Exhibit 10.3 of the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on September 7, 2017.)
Amended and restated Employment Agreement dated April 27, 2015 between Natural Gas Services Group, Inc. and Stephen C. Taylor (Incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on April 29, 2015.)
The Executive Nonqualified Excess Plan Adoption Agreement, referred to as the Nonqualified Deferred Compensation Plan (Incorporated by reference to Exhibit 10.11 of the Registrant's Quarterly report on Form 10-Q filed with the Securities and Exchange Commission on May 6, 2016.)

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Annual Incentive Bonus Plan (Incorporated by reference to Exhibit 10.1 of the Registrant's Current Report on Form 8-K filed with the Securities and Exchange Commission December 18, 2012.)
Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Certification of Principal Accounting Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
Certification of Principal Accounting Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INSXBRL Instance Document
101.SCHXBRL Taxonomy Extension Schema Document
101.CALXBRL Taxonomy Extension Calculation Linkbase Document
101.DEFXBRL Taxonomy Extension Definition Linkbase Document
101.LABXBRL Taxonomy Extension Label Linkbase Document
101.PREXBRL Taxonomy Extension Presentation Linkbase Document
* Filed herewith.


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SIGNATURES

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.

NATURAL GAS SERVICES GROUP, INC.


/s/ Stephen C. Taylor/s/ G. Larry Lawrence
Stephen C. TaylorG. Larry Lawrence
President and Chief Executive OfficerVice President and Chief Financial Officer
(Principal Executive Officer)(Principal Accounting Officer)
August 7, 2019


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