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Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands | Total | Preferred Stock | Common Stock | Series F-4 (Tranche B) | Series E And E1 Preferred Stock | Series F-3 | Series F-2 | Series E Preferred Stock | Series F Preferred Stock | Stock options | Assumed conversion of ESPP shares | Preferred Stock | Preferred Stock Preferred Stock | Preferred Stock Series F-4 (Tranche B) | Preferred Stock Series F-3 | Preferred Stock Series F-2 | Preferred Stock Series E Preferred Stock | Preferred Stock Series F Preferred Stock | Common Stock | Common Stock Preferred Stock | Common Stock Common Stock | Common Stock Series F-4 (Tranche B) | Common Stock Series E And E1 Preferred Stock | Common Stock Series F-3 | Common Stock Series F-2 | Common Stock Series E Preferred Stock | Common Stock Series F Preferred Stock | Additional Paid in Capital | Additional Paid in Capital Preferred Stock | Additional Paid in Capital Common Stock | Additional Paid in Capital Series F-4 (Tranche B) | Additional Paid in Capital Series E And E1 Preferred Stock | Additional Paid in Capital Series F-3 | Additional Paid in Capital Series F-2 | Additional Paid in Capital Series F Preferred Stock | Additional Paid in Capital Stock options | Additional Paid in Capital Assumed conversion of ESPP shares | Accumulated Deficit | Accumulated Comprehensive Income (Loss)
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Beginning balance (in shares) at Dec. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  | 11,357 |  |  |  |  |  |  | 10,046,571 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2022 | $ (5,859) |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  | $ 100 |  |  |  |  |  |  |  |  | $ 451,608 |  |  |  |  |  |  |  |  |  | $ (457,484) | $ (83)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation expense for issuance of stock options |  |  |  |  |  |  |  |  |  | $ 8,090 | $ 61 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,090 | $ 61 |  |
Private placement - issuance of common stock, net of expenses (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19,646 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Private placement - issuance of common stock, net of expenses |  |  | $ 56 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |  | $ 55 |  |  |  |  |  |  |  |  |
Issuance of common stock with the employee stock purchase plan (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 41,435 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock with the employee stock purchase plan | 123 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 123 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to stock option exercises (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 819 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to stock option exercises | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |
Preferred share issuance (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 44,483 |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred share issuance |  | $ 49,487 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49,487 |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to conversion (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (100) | (30,921) |  |  |  |  |  |  |  | 10,000 | 12,073,145 |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to conversion |  |  |  |  |  |  |  |  | $ 11,270 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 122 |  |  |  |  |  |  |  | $ 11,148 |  |  |  |
Issuance of common stock with common stock warrant exercises (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 569,938 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock with common stock warrant exercises | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss | (47,678) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (47,678) |
Unrealized gain on investments adjustments | 157 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 157
Foreign currency translation adjustments | 61 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 61
Ending balance (in shares) at Dec. 31, 2023 |  |  |  |  |  |  |  |  |  |  |  | 24,819 |  |  |  |  |  |  | 22,761,554 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance at Dec. 31, 2023 | 15,777 |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  | $ 228 |  |  |  |  |  |  |  |  | 520,576 |  |  |  |  |  |  |  |  |  | (505,162) | 135
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation expense for issuance of stock options |  |  |  |  |  |  |  |  |  | $ 9,571 | $ 196 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,571 | $ 196 |  |
Private placement - issuance of common stock, net of expenses (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 876,627 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Private placement - issuance of common stock, net of expenses |  |  | $ 6,771 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8 |  |  |  |  |  |  |  |  | $ 6,763 |  |  |  |  |  |  |  |  |
Issuance of common stock with the employee stock purchase plan (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 71,558 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock with the employee stock purchase plan | $ 250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |  | 249 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to stock option exercises (in shares) | 269,673 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 269,673 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to stock option exercises | $ 1,682 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3 |  |  |  |  |  |  |  |  | 1,679 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to conversion (in shares) |  |  | 18,755,206 |  |  |  |  |  |  |  |  |  |  |  | (11,020) | (1,457) | (300) |  |  |  |  |  |  | 2,448,886 | 441,514 | 30,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock related to conversion |  |  |  |  |  | $ 0 | $ 0 | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25 | $ 4 | $ 1 |  |  |  |  |  |  | $ (25) | $ (4) |  |  |  |  |
Issuance of common stock with common stock warrant exercises (in shares) |  |  |  |  | 603,954 |  |  |  |  |  |  |  |  | 2,150 |  |  |  |  | 1,307,706 |  |  | 3,808,327 | 1,045,157 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock with common stock warrant exercises | 10 |  |  | $ 44,619 | $ 16,308 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13 |  |  | $ 38 | $ 10 |  |  |  |  | (3) |  |  | $ 44,581 | $ 16,298 |  |  |  |  |  |  |
Net loss | (26,386) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (26,386) |
Unrealized gain on investments adjustments | (22) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (22)
Foreign currency translation adjustments | (31) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (31)
Ending balance (in shares) at Dec. 31, 2024 |  |  |  |  |  |  |  |  |  |  |  | 14,192 |  |  |  |  |  |  | 33,061,002 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ending balance at Dec. 31, 2024 | $ 68,746 |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  | $ 331 |  |  |  |  |  |  |  |  | $ 599,881 |  |  |  |  |  |  |  |  |  | $ (531,548) | $ 82

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