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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Preferred Stock | Additional Paid-in Capital | Accumulated Other Comprehensive (Loss) Income | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Beginning Balances at Dec. 31, 2020 | $ 58,693 | $ 110 | $ 0 | $ 1,352,374 | $ 273 | $ (1,294,064)
Beginning Balances (in shares) at Dec. 31, 2020 |  | 110,190,000 | 4,000 |  |  |
Conversion of Preferred Stock |  | $ 4 | $ 0 | (4) |  |
Stock Issued During Period, Shares, Conversion of Convertible Securities |  | 4,140,000 | (4,000) |  |  |
Issuance of common stock upon exercise of stock options |  | 1,035,000 |  |  |  |
Issuance of common stock upon release of restricted stock awards |  | 525,000 |  |  |  |
Issuance Of Common Stock Upon Release Of Restricted Stock Awards | (107) |  |  | (107) |  |
Issuance of common stock upon exercise of stock options | 6,684 | $ 2 |  | 6,682 |  |
Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement (Shares) |  | 2,879,000 |  |  |  |
Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement | 28,156 | $ 3 | $ 0 | 28,153 |  |
Issuance of common stock under Employee Stock Purchase Plan | 841 |  |  | 841 |  |
Issuance of common stock under Employee Stock Purchase Plan (in shares) |  | 217,000 |  |  |  |
Issuance of common stock upon exercise of warrants (Shares) |  | 3,959,000 |  |  |  |
Issuance of common stock upon exercise of warrants | 59,888 | $ 4 | 0 | 59,884 |  |
Issuance of capped call options (see Note 10) | (27,240) |  |  | (27,240) |  |
Stock compensation expense | 21,285 |  |  | 21,285 |  |
Total other comprehensive income (loss) | (2,539) |  |  |  | (2,539) |
Net (loss) income | 76,713 |  |  |  |  | 76,713
Ending Balances at Dec. 31, 2021 | 222,374 | $ 123 | 0 | 1,441,868 | (2,266) | (1,217,351)
Ending Balances (in shares) at Dec. 31, 2021 |  | 122,945,000 |  |  |  |
Issuance of common stock upon exercise of stock options |  | 1,194,000 |  |  |  |
Issuance of common stock upon release of restricted stock awards |  | 1,432,000 |  |  |  |
Issuance Of Common Stock Upon Release Of Restricted Stock Awards |  | $ 1 |  | (1) |  |
Issuance of common stock upon exercise of stock options | 9,640 | $ 2 | 0 | 9,638 |  |
Issuance of common stock under Employee Stock Purchase Plan | 1,430 |  |  | 1,430 |  |
Issuance of common stock under Employee Stock Purchase Plan (in shares) |  | 154,000 |  |  |  |
Issuance of common stock upon exercise of warrants (Shares) |  | 1,879,000 |  |  |  |
Issuance of common stock upon exercise of warrants | 24,670 | $ 2 | 0 | 24,668 |  |
Stock compensation expense | 32,915 |  |  | 32,915 |  |
Total other comprehensive income (loss) | (3,172) |  |  |  | (3,172) |
Net (loss) income | 293,156 |  |  |  |  | 293,156
Ending Balances at Dec. 31, 2022 | 581,013 | $ 128 | 0 | 1,510,518 | (5,438) | (924,195)
Ending Balances (in shares) at Dec. 31, 2022 |  | 127,604,000 |  |  |  |
Issuance of common stock upon exercise of stock options |  | 850,000 |  |  |  |
Issuance of common stock upon exercise of stock options | 6,361 | $ 1 | 0 | 6,360 |  |
Issuance of common stock upon release of restricted stock awards |  | 915,000 |  |  |  |
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings | (6,370) | $ 1 |  | (6,371) |  |
Issuance of common stock under Employee Stock Purchase Plan | 1,535 |  |  | 1,535 |  |
Issuance of common stock under Employee Stock Purchase Plan (in shares) |  | 161,000 |  |  |  |
Stock compensation expense | 42,592 |  |  | 42,592 |  |
Total other comprehensive income (loss) | 3,330 |  |  |  | 3,330 |
Net (loss) income | (6,389) |  |  |  |  | (6,389)
Ending Balances at Dec. 31, 2023 | $ 622,072 | $ 130 | $ 0 | $ 1,554,634 | $ (2,108) | $ (930,584)
Ending Balances (in shares) at Dec. 31, 2023 |  | 129,530,000 |  |  |  |

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