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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock | Additional Paid-In Capital | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss) | Total
--- | --- | --- | --- | --- | ---
Balance, Value at Dec. 31, 2021 | $ 4 | $ 708,634 | $ (480,758) | $ (358) | $ 227,522
Balance, Shares at Dec. 31, 2021 | 4,456,734 |  |  |  |
Stock-based compensation expense |  | 14,345 |  |  | 14,345
Shares issued upon exercise of stock options, value |  | 311 |  |  | 311
Shares issued upon exercise of stock options, shares | 4,026 |  |  |  |
Shares issued upon vesting of restricted stock units, value |  | 3,389 |  |  | 3,389
Shares issued upon vesting of restricted stock units, shares | 22,352 |  |  |  |
Net loss |  |  | (85,474) |  | (85,474)
Other comprehensive income (loss) |  |  |  | (1,314) | (1,314)
Balance, Value at Dec. 31, 2022 | $ 4 | 726,679 | (566,232) | (1,672) | 158,779
Balance, Shares at Dec. 31, 2022 | 4,483,112 |  |  |  |
Net proceeds from sales of common stock under open market sales agreement |  | 1,117 |  |  | 1,117
Net proceeds from sales of common stock under open market sales agreement (shares) | 32,240 |  |  |  |
Stock-based compensation expense |  | 12,710 |  |  | 12,710
Shares issued upon exercise of stock options, value | $ 1 | 559 |  |  | 560
Shares issued upon exercise of stock options, shares | 7,768 |  |  |  |
Shares issued upon vesting of restricted stock units, value |  | 1,020 |  |  | 1,020
Shares issued upon vesting of restricted stock units, shares | 16,939 |  |  |  |
Net loss |  |  | (118,513) |  | (118,513)
Other comprehensive income (loss) |  |  |  | 1,412 | 1,412
Balance, Value at Dec. 31, 2023 | $ 5 | 742,085 | (684,745) | (260) | 57,085
Balance, Shares at Dec. 31, 2023 | 4,540,059 |  |  |  |
Stock-based compensation expense |  | 6,709 |  |  | 6,709
Shares issued upon vesting of restricted stock units, value |  | 2,220 |  |  | 2,220
Shares issued upon vesting of restricted stock units, shares | 31,170 |  |  |  |
Net loss |  |  | (70,867) |  | (70,867)
Other comprehensive income (loss) |  |  |  | $ 260 | 260
Balance, Value at Dec. 31, 2024 | $ 5 | $ 751,014 | $ (755,612) |  | $ (4,593)
Balance, Shares at Dec. 31, 2024 | 4,571,229 |  |  |  |

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