v3.25.2
Nature of Business - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Accumulated deficit $ 202,128 $ 123,305
Minimum [Member]    
Period for first new delivery method of epinephrine 35 years  
Liquidity and Capital Resources [Member]    
Accumulated deficit $ 202,100  
Cash, cash equivalents and short-term investments $ 240,100