Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands |
Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings [Member]
|
Cumulative Effect, Period of Adoption, Adjustment [Member] |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
AOCI Attributable to Parent [Member] |
Retained Earnings [Member] |
Total |
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Balance (Accounting Standards Update 2014-09 [Member]) at Dec. 31, 2017 | $ 1,126 | $ 1,126 | |||||
Balance at Dec. 31, 2017 | $ 984 | $ 714,869 | $ (243) | $ (631,843) | $ 83,767 | ||
Net loss | (101,252) | (101,252) | |||||
Other comprehensive income (loss) | (54) | (54) | |||||
Exercise of stock options, net | 11 | 2,490 | 2,501 | ||||
Employee stock purchase plan sales, net | 1 | 350 | 351 | ||||
Issuance of common stock, net | 105 | 53,295 | 53,400 | ||||
Stock-based compensation expense | 9,396 | 9,396 | |||||
Balance (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018 | $ 238 | $ 238 | |||||
Balance at Dec. 31, 2018 | 1,101 | 780,400 | (297) | (731,969) | 49,235 | ||
Net loss | (108,897) | (108,897) | |||||
Other comprehensive income (loss) | 336 | 336 | |||||
Exercise of stock options, net | 3 | 832 | 835 | ||||
Employee stock purchase plan sales, net | 1 | 403 | 404 | ||||
Issuance of common stock, net | 436 | 58,064 | 58,500 | ||||
Stock-based compensation expense | 17,719 | 17,719 | |||||
Issuance of pre-funded warrants | 19,882 | 19,882 | |||||
Balance at Dec. 31, 2019 | 1,541 | 877,300 | 39 | (840,628) | 38,252 | ||
Net loss | (182,814) | (182,814) | |||||
Other comprehensive income (loss) | (36) | (36) | |||||
Exercise of stock options, net | 5 | 1,809 | 1,814 | ||||
Employee stock purchase plan sales, net | 3 | 629 | 632 | ||||
Issuance of common stock, net | 220 | 93,059 | 93,279 | ||||
Stock-based compensation expense | 14,794 | 14,794 | |||||
Issuance of pre-funded warrants | 14,817 | 14,817 | |||||
Balance at Dec. 31, 2020 | $ 1,769 | $ 1,002,408 | $ 3 | $ (1,023,442) | $ (19,262) |
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- 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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- 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://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate change in value for stock issued during the period as a result of employee stock purchase plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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- Definition Value of stock issued as a result of the exercise of stock options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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