v3.26.1
Stockholders Equity and Stock Options - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Stockholders' Equity Note [Abstract]    
Number of shares, Outstanding 8,535,772  
Number of shares, Options granted 2,636,040  
Number of shares, Options exercised (4,000)  
Number of shares, Options forfeited/expired (111,597)  
Number of shares, Outstanding 11,056,215 8,535,772
Number of shares, Exercisable as of June 30, 2026 5,895,966  
Number of shares, Vested and expected to vest as of June 30, 2026 11,056,215  
Weighted average exercise price, balance $ 6.51  
Weighted average exercise price, Options granted 3.59  
Weighted average exercise price, Options exercised 3.48  
Weighted average exercise price, Options forfeited/expired 5.48  
Weighted average exercise price, balance 5.83 $ 6.51
Weighted average exercise price, Exercisable as of June 30, 2026 7.55  
Weighted average exercise price, Vested and expected to vest as of June 30, 2026 $ 5.83  
Weighted average remaining contractual term, outstanding 7 years 4 months 24 days 7 years 2 months 12 days
Weighted average remaining contractual term, Exercisable as of June 30, 2026 6 years 2 months 12 days  
Weighted average remaining contractual term, Vested and expected to vest as of June 30, 2026 7 years 4 months 24 days  
Aggregate intrinsic value, outstanding $ 0.3  
Aggregate intrinsic value, exercisable as of June 30, 2026 0.2  
Aggregate intrinsic value, Vested and expected to vest as of June 30, 2026 $ 0.3