v3.26.3
Stockholders' Equity - Schedule of Stock Options, Valuation Assumptions (Detail)
9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Equity [Abstract]    
Expected term 7 years 7 years
Expected volatility minimum 71.74% 123.05%
Expected volatility maximum 172.22% 124.33%
Expected dividend yield 0.00% 0.00%
Risk-free interest rate minimum 3.90% 3.90%
Risk-free interest rate maximum 4.35% 4.14%