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Income Taxes - Reconciliation of Statutory U.S. Federal Rate to The Company's Effective Tax Rate (Details)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Percent of pre-tax income:    
United States federal statutory income tax rate 21.00% 21.00%
State taxes, net of federal benefit (0.40%) (1.30%)
Permanent items 0.20%  
Research and development credit 3.20% 0.90%
Stock-based compensation costs (4.20%) (3.70%)
Other (0.70%) 0.80%
Change in valuation allowance (19.10%) (17.50%)
Effective income tax rate   0.20%