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Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit​
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2022 |  | 177,925,631 |  |  |
Beginning balance at Dec. 31, 2022 | $ 3,043,162 | $ 1,780 | $ 6,311,644 | $ (5,236) | $ (3,265,026)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Exercise of common stock options (in shares) |  | 88,228 |  |  |
Exercise of common stock options, net of shares withheld for taxes | 964 | $ 1 | 963 |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures |  |  | (13) |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  | 1,299,071 |  |  |
Issuance of common stock to fund the Company's 401(k) match (in shares) |  | 517,215 |  |  |
Stock-based compensation expense | 0 | $ 13 |  |  |
Issuance of common stock to fund the Company's 401(k) match | 35,077 | $ 5 | 35,072 |  |
Stock-based compensation expense | 49,139 |  | 49,139 |  |
Net loss | (74,151) |  |  |  | (74,151)
Other comprehensive income (loss) | 3,517 |  |  | 3,517 |
Ending balance (in shares) at Mar. 31, 2023 |  | 179,830,145 |  |  |
Ending balance at Mar. 31, 2023 | $ 3,057,708 | $ 1,799 | 6,396,805 | (1,719) | (3,339,177)
Beginning balance (in shares) at Dec. 31, 2023 | 181,364,180 | 181,364,180 |  |  |
Beginning balance at Dec. 31, 2023 | $ 3,145,305 | $ 1,815 | 6,611,237 | 1,428 | (3,469,175)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Exercise of common stock options (in shares) |  | 71,537 |  |  |
Exercise of common stock options, net of shares withheld for taxes | (1,408) | $ 1 | (1,409) |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures | (44) | $ 17 | (61) |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  | 1,792,087 |  |  |
Issuance of common stock to fund the Company's 401(k) match (in shares) |  | 617,384 |  |  |
Issuance of common stock to fund the Company's 401(k) match | 40,550 | $ 6 | 40,544 |  |
Stock-based compensation expense | 60,370 |  | 60,370 |  |
Net loss | (110,228) |  |  |  | (110,228)
Other comprehensive income (loss) | $ (1,927) |  |  | (1,927) |
Ending balance (in shares) at Mar. 31, 2024 | 183,845,188 | 183,845,188 |  |  |
Ending balance at Mar. 31, 2024 | $ 3,132,618 | $ 1,839 | $ 6,710,681 | $ (499) | $ (3,579,403)

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