Document And Entity Information
Document And Entity Information - USD ($) | 12 Months Ended | ||
Dec. 31, 2021 | Feb. 28, 2022 | Jun. 30, 2021 | |
Document Information Line Items | |||
Entity Registrant Name | RUBICON TECHNOLOGY, INC. | ||
Trading Symbol | RBCN | ||
Document Type | 10-K/A | ||
Current Fiscal Year End Date | --12-31 | ||
Entity Common Stock, Shares Outstanding | 2,446,652 | ||
Entity Public Float | $ 19,082,840 | ||
Amendment Flag | true | ||
Amendment Description | Rubicon Technology, Inc. (“Rubicon” or the “Company”) is filing this Amendment No. 1 (“Amended Report”) to our Annual Report on Form 10-K for the fiscal year ended December 31, 2021, filed with the Securities and Exchange Commission (SEC) on March 28, 2022 (“Original Report”), in order to add certain information required by the following items in Part III of Form 10-K: | ||
Entity Central Index Key | 0001410172 | ||
Entity Current Reporting Status | Yes | ||
Entity Voluntary Filers | No | ||
Entity Filer Category | Non-accelerated Filer | ||
Entity Well-known Seasoned Issuer | No | ||
Document Period End Date | Dec. 31, 2021 | ||
Document Fiscal Year Focus | 2021 | ||
Document Fiscal Period Focus | FY | ||
Entity Small Business | true | ||
Entity Emerging Growth Company | false | ||
Entity Shell Company | false | ||
Document Annual Report | true | ||
Document Transition Report | false | ||
Entity File Number | 001-33834 | ||
Entity Incorporation, State or Country Code | DE | ||
Entity Tax Identification Number | 36-4419301 | ||
Entity Address, Address Line One | 900 East Green Street | ||
Entity Address, City or Town | Bensenville | ||
Entity Address, State or Province | IL | ||
Entity Address, Postal Zip Code | 60106 | ||
City Area Code | (847) | ||
Local Phone Number | 295-7000 | ||
Title of 12(b) Security | Common Stock, par value $0.001 per share | ||
Security Exchange Name | NASDAQ | ||
Entity Interactive Data Current | Yes | ||
Auditor Name | Marcum LLP | ||
Auditor Location | Chicago | ||
Auditor Firm ID | 688 |