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Income Taxes - Schedule of Reconciliation of Federal Statutory Income Tax Rate to Effective Income Tax Rate (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |
Tax computed at federal statutory rate | $ (7,214) | $ (1,624)
State tax, net of federal tax benefit | 1 | 1
Permanent differences | (616) | (1,237)
Research and development tax credits, net of uncertain positions | (705) | (454)
Valuation allowance | 8,535 | 3,315
Income tax expense | $ 1 | $ 1

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