v3.26.1
Stock-Based Compensation - Summary of Transactions Related to Grant of Stock Options to Employees and Directors (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Amount      
Options outstanding, Beginng Balance 903,096 27,322  
Granted 169,300 894,356 0
Exercised (23,723) (18,245)  
Forfeited (266) (337)  
Options outstanding, Ending Balance 1,048,407 903,096 27,322
Options exercisable 1,048,407 589,711  
Weighted average exercise price per Share      
Options outstanding, Beginning Balance $ 11.99   $ 352.55
Granted 11 $ 1.76  
Exercised 1.65 0.0011  
Forfeited   0.0011  
Options outstanding, Ending Balance 11.98 11.99  
Options exercisable $ 11.98 $ 17.82  
Weighted average remaining contractual life      
Options outstanding 9 years 3 months 21 days 9 years 7 months 13 days 7 years 1 month 2 days
Granted 9 years 11 months 12 days    
Options exercisable 9 years 3 months 21 days 9 years 6 months 25 days  
Aggregate intrinsic value      
Options outstanding, Beginning Balance $ 893    
Granted   $ 833  
Exercised 39    
Forfeited 238    
Options outstanding, Ending Balance 8,136 893  
Options exercisable $ 8,136 $ 567