v3.25.2
Intangible Assets, Net - Schedule of Finite-Lived Intangible Assets (Detail) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]      
Capitalized milestone payments $ 13,360,000 $ 7,500,000  
Less accumulated depreciation (388,000) (129,000)  
Total $ 12,972,000 $ 7,371,000 $ 0