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Condensed Consolidated Balance Sheet and Statement of Operations and Comprehensive Loss Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Trade accruals | $ 5,749 | $ 7,131
Accrued payroll and employee medical | 18,308 | 17,882
Accrued bonus | 13,516 | 25,736
Current portion of early exercise stock option liability | 327 | 4,957
Contract liability | 5,340 | 7,470
Current portion of operating lease liabilities | 7,291 | 6,080
Other accrued expenses | 10,826 | 8,286
Total accrued expenses and other current liabilities | $ 61,357 | $ 77,542

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