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CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Loss | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2022 |  | 10,012 |  |  |
Beginning balance at Dec. 31, 2022 | $ 170,222 | $ 1 | $ 985,660 | $ (1,531) | $ (813,908)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | 739 |  |  |  |
Foreign currency translation adjustment | (7) |  |  |  |
Net loss | (31,672) |  |  |  |
Ending balance at Mar. 31, 2023 | 143,845 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2022 |  | 10,012 |  |  |
Beginning balance at Dec. 31, 2022 | 170,222 | $ 1 | 985,660 | (1,531) | (813,908)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | 937 |  |  |  |
Foreign currency translation adjustment | (12) |  |  |  |
Net loss | (64,197) |  |  |  |
Ending balance at Jun. 30, 2023 | 116,228 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2022 |  | 10,012 |  |  |
Beginning balance at Dec. 31, 2022 | 170,222 | $ 1 | 985,660 | (1,531) | (813,908)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | 1,003 |  |  |  |
Foreign currency translation adjustment | (24) |  |  |  |
Net loss | (97,612) |  |  |  |
Ending balance at Sep. 30, 2023 | 87,257 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2022 |  | 10,012 |  |  |
Beginning balance at Dec. 31, 2022 | 170,222 | $ 1 | 985,660 | (1,531) | (813,908)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation expense | 17,569 |  | 17,569 |  |
Common stock issued upon exercise of stock options, shares (in shares) |  | 0 |  |  |
Common stock issued upon exercise of stock options | 1 |  | 1 |  |
Common stock issued under employee stock purchase plan (in shares) |  | 82 |  |  |
Common stock issued under employee stock purchase plan | 488 |  | 488 |  |
Common stock issued upon release of restricted stock units (in shares) |  | 49 |  |  |
Net unrealized gain on marketable securities | 1,057 |  |  | 1,057 |
Foreign currency translation adjustment | 1 |  |  | 1 |
Net loss | $ (122,116) |  |  |  | (122,116)
Ending balance (in shares) at Dec. 31, 2023 | 10,143 | 10,143 |  |  |
Ending balance at Dec. 31, 2023 | $ 67,222 | $ 1 | 1,003,718 | (473) | (936,024)
Beginning balance at Mar. 31, 2023 | 143,845 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | 198 |  |  |  |
Foreign currency translation adjustment | (5) |  |  |  |
Net loss | (32,525) |  |  |  |
Ending balance at Jun. 30, 2023 | 116,228 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | 66 |  |  |  |
Foreign currency translation adjustment | (12) |  |  |  |
Net loss | (33,415) |  |  |  |
Ending balance at Sep. 30, 2023 | 87,257 |  |  |  |
Beginning balance at Dec. 31, 2023 | 67,222 | $ 1 | 1,003,718 | (473) | (936,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | (41) |  |  |  |
Foreign currency translation adjustment | (19) |  |  |  |
Net loss | (27,147) |  |  |  |
Ending balance at Mar. 31, 2024 | $ 163,681 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2023 | 10,143 | 10,143 |  |  |
Beginning balance at Dec. 31, 2023 | $ 67,222 | $ 1 | 1,003,718 | (473) | (936,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | (43) |  |  |  |
Foreign currency translation adjustment | (9) |  |  |  |
Net loss | (57,645) |  |  |  |
Ending balance at Jun. 30, 2024 | $ 137,400 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2023 | 10,143 | 10,143 |  |  |
Beginning balance at Dec. 31, 2023 | $ 67,222 | $ 1 | 1,003,718 | (473) | (936,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | 198 |  |  |  |
Foreign currency translation adjustment | 7 |  |  |  |
Net loss | (89,996) |  |  |  |
Ending balance at Sep. 30, 2024 | $ 108,270 |  |  |  |
Beginning balance (in shares) at Dec. 31, 2023 | 10,143 | 10,143 |  |  |
Beginning balance at Dec. 31, 2023 | $ 67,222 | $ 1 | 1,003,718 | (473) | (936,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation expense | 14,350 |  | 14,350 |  |
Issuance of common stock, net of issuance costs of $9 (in shares) |  | 10,573 |  |  |
Stock Issued During Period, Value, New Issues | $ 119,361 | $ 1 | 119,360 |  |
Common stock issued upon exercise of stock options, shares (in shares) | 15 | 15 |  |  |
Common stock issued upon exercise of stock options | $ 146 |  | 146 |  |
Common stock issued under employee stock purchase plan (in shares) |  | 88 |  |  |
Common stock issued under employee stock purchase plan | 496 |  | 496 |  |
Common stock issued upon release of restricted stock units (in shares) |  | 29 |  |  |
Net unrealized gain on marketable securities | 105 |  |  | 105 |
Foreign currency translation adjustment | (39) |  |  | (39) |
Net loss | $ (130,927) |  |  |  | (130,927)
Ending balance (in shares) at Dec. 31, 2024 | 20,848 | 20,848 |  |  |
Ending balance at Dec. 31, 2024 | $ 70,714 | $ 2 | $ 1,138,070 | $ (407) | $ (1,066,951)
Beginning balance at Mar. 31, 2024 | 163,681 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | (2) |  |  |  |
Foreign currency translation adjustment | 10 |  |  |  |
Net loss | (30,498) |  |  |  |
Ending balance at Jun. 30, 2024 | 137,400 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net unrealized gain on marketable securities | 241 |  |  |  |
Foreign currency translation adjustment | 16 |  |  |  |
Net loss | (32,351) |  |  |  |
Ending balance at Sep. 30, 2024 | $ 108,270 |  |  |  |

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