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Condensed Consolidated Statements of Stockholders' (Deficit) Equity (unaudited) - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income, net of tax | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2023 | $ 89,420 | $ 1 | $ 400,741 | $ 33 | $ (311,355)
Balance, Shares at Dec. 31, 2023 |  | 1,144,291 |  |  |
Exercise of common stock options | 3 |  | 3 |  |
Exercise of common stock options, Shares |  | 18 |  |  |
Shares issued under ATM, net of issuance costs | 4,850 |  | 4,850 |  |
Shares issued under ATM, net of issuance costs |  | 20,833 |  |  |
Exercise of pre-funded warrants | 2 |  | 2 |  |
Exercise of pre-funded warrants, Shares |  | 25,110 |  |  |
Exercise of common stock warrants | 3,808 |  | 3,808 |  |
Exercise of common stock warrants, Shares |  | 28,485 |  |  |
Issuance of common stock upon RSU vesting, shares |  | 557 |  |  |
Unrealized loss on available-for-sale securities | (8) |  |  | (8) |
Stock-based compensation | 1,881 |  | 1,881 |  |
Net Income (Loss) | (22,452) |  |  |  | (22,452)
Balance at Mar. 31, 2024 | 77,504 | $ 1 | 411,285 | 25 | (333,807)
Balance, Shares at Mar. 31, 2024 |  | 1,219,294 |  |  |
Balance at Dec. 31, 2023 | 89,420 | $ 1 | 400,741 | 33 | (311,355)
Balance, Shares at Dec. 31, 2023 |  | 1,144,291 |  |  |
Net Income (Loss) | (82,456) |  |  |  |
Balance at Sep. 30, 2024 | 20,619 | $ 1 | 414,409 | 20 | (393,811)
Balance, Shares at Sep. 30, 2024 |  | 1,309,132 |  |  |
Balance at Mar. 31, 2024 | 77,504 | $ 1 | 411,285 | 25 | (333,807)
Balance, Shares at Mar. 31, 2024 |  | 1,219,294 |  |  |
Exercise of common stock options, Shares |  | 1 |  |  |
Exercise of pre-funded warrants | 8 | $ 0 | 8 |  |
Exercise of pre-funded warrants, Shares |  | 89,817 |  |  |
Unrealized loss on available-for-sale securities | (29) |  |  | (29) |
Stock-based compensation | 1,625 |  | 1,625 |  |
Net Income (Loss) | (48,131) |  |  |  | (48,131)
Balance at Jun. 30, 2024 | 30,977 | $ 1 | 412,918 | (4) | (381,938)
Balance, Shares at Jun. 30, 2024 |  | 1,309,112 |  |  |
Issuance of common stock under ESPP, Shares |  | 20 |  |  |
Unrealized loss on available-for-sale securities | 24 |  |  | 24 |
Stock-based compensation | 1,491 |  | 1,491 |  |
Net Income (Loss) | (11,873) |  |  |  | (11,873)
Balance at Sep. 30, 2024 | 20,619 | $ 1 | 414,409 | $ 20 | (393,811)
Balance, Shares at Sep. 30, 2024 |  | 1,309,132 |  |  |
Balance at Dec. 31, 2024 | 11,594 | $ 1 | 416,383 |  | (404,790)
Balance, Shares at Dec. 31, 2024 |  | 1,310,308 |  |  |
Issuance of common stock upon RSU vesting, shares |  | 7,302 |  |  |
Stock-based compensation | 825 |  | 825 |  |
Net Income (Loss) | (8,547) |  |  |  | (8,547)
Balance at Mar. 31, 2025 | 3,872 | $ 1 | 417,208 |  | (413,337)
Balance, Shares at Mar. 31, 2025 |  | 1,317,610 |  |  |
Balance at Dec. 31, 2024 | 11,594 | $ 1 | 416,383 |  | (404,790)
Balance, Shares at Dec. 31, 2024 |  | 1,310,308 |  |  |
Decrease in common stock for rounding down of fractional shares to reflect the 1-for-50 reverse stock split, shares |  | (1) |  |  |
Net Income (Loss) | (21,968) |  |  |  |
Balance at Sep. 30, 2025 | (4,328) | $ 2 | 422,428 |  | (426,758)
Balance, Shares at Sep. 30, 2025 |  | 1,644,454 |  |  |
Balance at Mar. 31, 2025 | 3,872 | $ 1 | 417,208 |  | (413,337)
Balance, Shares at Mar. 31, 2025 |  | 1,317,610 |  |  |
Decrease in common stock for rounding down of fractional shares to reflect the 1-for-50 reverse stock split, shares |  | (48) |  |  |
Issuance of common stock upon RSU vesting, shares |  | 7,802 |  |  |
Issuance of common stock and pre-funded warrants, net of issuance costs | 4,273 | $ 1 | 4,272 |  |
Issuance of common stock and pre-funded warrants, net of issuance costs, Shares |  | 273,012 |  |  |
Issuance of common stock upon exercise of pre-funded warrants, Shares |  | 27,000 |  |  |
Stock-based compensation | 914 |  | 914 |  |
Net Income (Loss) | (7,437) |  |  |  | (7,437)
Balance at Jun. 30, 2025 | 1,622 | $ 2 | 422,394 |  | (420,774)
Balance, Shares at Jun. 30, 2025 |  | 1,625,376 |  |  |
Issuance of common stock upon RSU vesting, shares |  | 19,078 |  |  |
Stock-based compensation | 34 |  | 34 |  |
Net Income (Loss) | (5,984) |  |  |  | (5,984)
Balance at Sep. 30, 2025 | $ (4,328) | $ 2 | $ 422,428 |  | $ (426,758)
Balance, Shares at Sep. 30, 2025 |  | 1,644,454 |  |  |

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