CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($) $ in Thousands |
Preferred Stock
Convertible Preferred Stock
|
Common Shares |
Additional Paid-in Capital |
Accumulated Deficit
Cumulative Effect, Period of Adoption, Adjustment
|
Accumulated Deficit |
Cumulative Effect, Period of Adoption, Adjustment |
Total |
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Balance at Dec. 31, 2020 | $ 597 | $ 1 | $ 207,698 | $ (200,383) | $ 7,316 | |||||
Balance (in shares) at Dec. 31, 2020 | 250,000 | 8,402,250 | ||||||||
Issuance of common stock upon warrant exercise (in shares) | 2,086,251 | |||||||||
Issuance of common stock upon warrant exercise | 5,095 | 5,095 | ||||||||
Warrants issued in connection with warrant exercise | 567 | 567 | ||||||||
Convertible preferred stock dividend | $ 20 | (20) | (20) | |||||||
Stock-based compensation | 254 | 254 | ||||||||
Stock-based compensation (in shares) | 643,700 | |||||||||
Release of vested restricted common stock (in shares) | 352 | |||||||||
Net loss | (3,292) | (3,292) | ||||||||
Balance (in shares) at Mar. 31, 2021 | 250,000 | 11,132,553 | ||||||||
Balance at Mar. 31, 2021 | $ 617 | $ 1 | 213,594 | (203,675) | 9,920 | |||||
Balance at Dec. 31, 2021 | $ 2 | 228,578 | (212,203) | 16,377 | [1] | |||||
Balance (in shares) at Dec. 31, 2021 | 15,819,059 | |||||||||
Stock-based compensation | 480 | 480 | ||||||||
Stock-based compensation (in shares) | 0 | 1,067,400 | ||||||||
Restricted stock awards cancelled (in shares) | (8,663) | |||||||||
Release of vested restricted common stock (in shares) | 5,668 | |||||||||
Net loss | (3,904) | (3,904) | ||||||||
Balance (in shares) at Mar. 31, 2022 | 16,883,464 | |||||||||
Balance at Mar. 31, 2022 | $ 2 | $ 229,058 | $ 33 | $ (216,074) | $ 33 | $ 12,986 | ||||
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X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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X | ||||||||||
- Definition Number of shares related to Restricted Stock Award forfeited during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of shares for restricted stock unit under share-based payment arrangement. No definition available.
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X | ||||||||||
- Definition Value of common stock issued upon warrants exercise. No definition available.
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X | ||||||||||
- Definition The number of shares of common stock upon warrant exercise. No definition available.
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X | ||||||||||
- Definition Value of accretion of temporary equity and permanent equity during the period due to unpaid dividends. No definition available.
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