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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 50,602 | $ 41,212
Accruals and reserves | 1,259 | 1,296
Research and development credits | 8,538 | 6,415
Stock-based compensation | 11,408 | 11,348
Lease liabilities | 6,664 | 7,212
Capitalized research and experimentation | 17,879 | 13,502
Fixed assets | 269 | 0
Other | 641 | 0
Gross deferred tax assets | 97,260 | 80,985
Valuation allowance | (91,163) | (74,026)
Deferred tax liabilities: |  |
Fixed assets | 0 | (411)
Right-of-use assets | (5,849) | (6,426)
Other | 0 | (122)
Gross deferred tax liabilities | (5,849) | (6,959)
Total net deferred tax assets | $ 248 | $ 0

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