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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Preferred Stock | Additional Paid-in Capital | Accumulated Other Comprehensive (Loss) Income | Accumulated Deficit
--- | --- | --- | --- | --- | --- | ---
Beginning Balances at Dec. 31, 2021 | $ 222,374 | $ 123 | $ 0 | $ 1,441,868 | $ (2,266) | $ (1,217,351)
Beginning Balances (in shares) at Dec. 31, 2021 |  | 122,945 | 0 |  |  |
Issuance of common stock upon exercise of warrants | 24,670 | $ 2 |  | 24,668 |  |
Issuance of common stock upon exercise of warrants (Shares) |  | 1,879 |  |  |  |
Issuance of common stock upon exercise of stock options | 2,150 |  |  | 2,150 |  |
Issuance of common stock upon exercise of stock options (in shares) |  | 287 |  |  |  |
Issuance of common stock upon release of restricted stock awards |  | $ 1 |  | (1) |  |
Issuance of common stock upon release of restricted stock awards (in shares) |  | 1,246 |  |  |  |
Issuance of common stock under Employee Stock Purchase Plan | 710 |  |  | 710 |  |
Issuance of common stock under Employee Stock Purchase Plan (in shares) |  | 82 |  |  |  |
Stock compensation expense | 15,575 |  |  | 15,575 |  |
Total other comprehensive income (Loss) | (4,294) |  |  |  | (4,294) |
Net Income (Loss) | 161,614 |  |  |  |  | 161,614
Ending Balances at Jun. 30, 2022 | 422,799 | $ 126 | $ 0 | 1,484,970 | (6,560) | (1,055,737)
Ending Balances (in shares) at Jun. 30, 2022 |  | 126,439 | 0 |  |  |
Beginning Balances at Mar. 31, 2022 | 287,484 | $ 126 | $ 0 | 1,476,013 | (4,163) | (1,184,492)
Beginning Balances (in shares) at Mar. 31, 2022 |  | 126,297 | 0 |  |  |
Issuance of common stock upon exercise of stock options | 1,028 |  |  | 1,028 |  |
Issuance of common stock upon exercise of stock options (in shares) |  | 132 |  |  |  |
Issuance of common stock upon release of restricted stock awards (in shares) |  | 10 |  |  |  |
Stock compensation expense | 7,929 |  |  | 7,929 |  |
Total other comprehensive income (Loss) | (2,397) |  |  |  | (2,397) |
Net Income (Loss) | 128,755 |  |  |  |  | 128,755
Ending Balances at Jun. 30, 2022 | 422,799 | $ 126 | $ 0 | 1,484,970 | (6,560) | (1,055,737)
Ending Balances (in shares) at Jun. 30, 2022 |  | 126,439 | 0 |  |  |
Beginning Balances at Dec. 31, 2022 | $ 581,013 | $ 128 | $ 0 | $ 1,510,518 | (5,438) | (924,195)
Beginning Balances (in shares) at Dec. 31, 2022 |  | 127,604 | 0 |  |  |
Issuance of common stock upon exercise of stock options (in shares) | 1,617 | 244 |  | 1,617 |  |
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings | $ (5,963) | $ 1 |  | $ (5,964) |  |
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings (in shares) |  | 850 |  |  |  |
Issuance of common stock under Employee Stock Purchase Plan | 777 |  |  | 777 |  |
Issuance of common stock under Employee Stock Purchase Plan (in shares) |  | 81 |  |  |  |
Stock compensation expense | 20,596 |  |  | 20,596 |  |
Total other comprehensive income (Loss) | 66 |  |  |  | 66 |
Net Income (Loss) | (20,901) |  |  |  |  | (20,901)
Ending Balances at Jun. 30, 2023 | 577,205 | $ 129 | $ 0 | 1,527,544 | (5,372) | (945,096)
Ending Balances (in shares) at Jun. 30, 2023 |  | 128,779 | 0 |  |  |
Beginning Balances at Mar. 31, 2023 | 563,732 | $ 128 | $ 0 | 1,516,331 | (4,200) | (948,527)
Beginning Balances (in shares) at Mar. 31, 2023 |  | 128,472 | 0 |  |  |
Issuance of common stock upon exercise of stock options | 1,378 |  |  | 1,378 |  |
Issuance of common stock upon exercise of stock options (in shares) |  | 203 |  |  |  |
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings | (726) | $ 1 |  | (727) |  |
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings (in shares) |  | 104 |  |  |  |
Stock compensation expense | 10,562 |  |  | 10,562 |  |
Total other comprehensive income (Loss) | (1,172) |  |  |  | (1,172) |
Net Income (Loss) | 3,431 |  |  |  |  | 3,431
Ending Balances at Jun. 30, 2023 | $ 577,205 | $ 129 | $ 0 | $ 1,527,544 | $ (5,372) | $ (945,096)
Ending Balances (in shares) at Jun. 30, 2023 |  | 128,779 | 0 |  |  |

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