v3.25.4
Income Taxes - Schedule of Reconciliation of Effective Income Tax Rate to U.S. Statutory Federal Income Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income Tax Disclosure [Abstract]    
U.S. federal statutory tax rate $ (30,384) $ (63,449)
U.S. federal statutory tax rate, Percent 21.00% 21.00%
State and local income taxes, net of federal income tax effect [1] $ 37 $ 18
State and local income taxes, net of federal income tax effect, Percent [1] 0.00% (0.10%)
Foreign tax effects (aggregate) $ 0 $ (430)
Foreign tax effects (aggregate), Percent 0.00% 0.10%
Research and development tax credits $ (2,726) $ (7,053)
Research and development tax credits, Percent 1.90% 2.30%
Changes in valuation allowance $ 28,332 $ 64,916
Changes in valuation allowance, Percent (19.60%) (21.40%)
Nontaxable or nondeductible items, Amount    
Stock-based compensation $ 1,670 $ 4,047
Executive compensation 2,971 2,557
Other $ 146 $ (999)
Nontaxable or nondeductible items, Percent    
Stock-based compensation (1.20%) (1.30%)
Executive compensation (2.10%) (0.80%)
Other (0.10%) 0.30%
Provision (benefit) for income taxes $ 46 $ (393)
Effective income tax rate 0.00% 0.10%
[1] State taxes in Illinois contributed to the majority of the tax effect in this category.