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Income Taxes - Reconciliation of Effective Tax Rate and Statutory Federal Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
U.S. statutory federal income tax rate 21.00% 21.00%
State income taxes, net of federal income tax benefit 7.10% 6.90%
Change in fair value of financial instruments 3.00% 0.00%
Tax credits 0.40% 1.00%
Valuation allowance (30.50%) (29.00%)
Non-deductible expenses (0.90%) 0.00%
Other (0.40%) (0.20%)
Effective tax rate (0.30%) (0.30%)