v3.26.1
Income Taxes - Reconciliation of Provision (Benefit) for Income Taxes and Amount Computed by Applying U.S. Federal Income Tax Rate (Detail)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income Tax Disclosure [Abstract]    
Income taxes (benefit) at statutory rates 21.00% 21.00%
State income tax (benefit), net of federal benefit (0.60%) (3.75%)
State tax rate change 0.00% 29.65%
Permanent items (6.40%) (2.21%)
Research and development credit   43.95%
Stock compensation (13.00%) (5.49%)
Other (0.70%) (12.88%)
Changes in valuation allowance 0.40% (70.27%)
Effective income tax rate 0.00% 0.00%