v3.25.2
Convertible Preferred Stock and Stockholders' Deficit - Convertible Preferred Stock - Additional Information (Detail) - $ / shares
Jun. 30, 2025
Dec. 31, 2024
Class Of Stock [Line Items]    
Preferred stock, shares authorized 20,000,000 20,000,000
Non-redeemable convertible preferred stock, par value $ 0.001 $ 0.001
Series D Redeemable Convertible Preferred Stock [Member]    
Class Of Stock [Line Items]    
Redeemable convertible preferred stock shares authorized 50 50
Series B, Series G, Series I-1 and Series I-2 Non-redeemable Convertible Preferred Stock [Member]    
Class Of Stock [Line Items]    
Preferred stock, shares authorized 10,004,310 10,004,310