CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands |
Total |
Preferred Stock |
Common Stock |
Additional Paid-in Capital |
Accumulated Deficit |
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|---|---|---|---|---|---|---|---|
| Beginning balance at Dec. 31, 2019 | $ 166,285 | $ 61 | $ 2,211 | $ 769,639 | $ (605,626) | ||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | |||||||
| Common stock issuances | 23 | 13,238 | |||||
| Share-based compensation, net | [1] | 684 | |||||
| Share-based payments | 111 | ||||||
| Settlement of Final Payment Fee | 110 | 9,036 | |||||
| Warrants issued in connection with Borrowings | (2,109) | ||||||
| Net loss | (40,734) | (40,734) | |||||
| Ending balance at Mar. 31, 2020 | 146,644 | 61 | 2,344 | 790,599 | (646,360) | ||
| Beginning balance at Dec. 31, 2020 | 109,090 | 61 | 3,309 | 922,042 | (816,322) | ||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | |||||||
| Common stock issuances | 387 | 88,776 | |||||
| Share-based compensation, net | [1] | 23 | 2,656 | ||||
| Warrant exercises | 60 | 8,117 | |||||
| Warrant cancellation | (218) | ||||||
| Net loss | (26,985) | (26,985) | |||||
| Ending balance at Mar. 31, 2021 | $ 181,906 | $ 61 | $ 3,779 | $ 1,021,373 | $ (843,307) | ||
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| X | ||||||||||
- Definition Common Stock, Value, Issued For Relief Of Debt Final Payment Fee No definition available.
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| X | ||||||||||
- Definition Share-based Payments No definition available.
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| X | ||||||||||
- Definition Stock And Warrants Cancelled During Period, Value, Preferred Stock And Warrants No definition available.
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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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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Value of preferred stock and warrants for common stock issued. No definition available.
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. 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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