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Income Taxes - Reconciliation of income tax (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of income tax: |  |
Income tax (benefit) provision at federal statutory rate (as a percent) | 21.00% | 21.00%
State income tax, net of federal benefit (as a percent) | 7.20% | 3.50%
Valuation allowance (as a percent) | 188.60% | (26.20%)
Research credits (as a percent) | 1.20% | 2.50%
Provision to tax return (as a percent) |  | (1.00%)
Transaction costs (as percentage) | (3.30%) |
Change in fair value of warrant liability (as percent) | 11.90% |
Section 382 limitation adjustment attributes (as percent) | (225.10%) |
Other (as a percent) | (1.50%) | 0.20%
Effective tax rate (as a percent) | 0.00% | 0.00%
Income tax benefit | $ 0 |

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