v3.26.1
Commitments and Contingencies - Additional Information (Detail) - USD ($)
1 Months Ended 6 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Dec. 31, 2025
Mar. 31, 2009
Other Commitments [Line Items]        
Litigation loss   $ 0    
Litigation liabilities   0    
GlaxoSmithKline LLC [Member]        
Other Commitments [Line Items]        
Milestone payment obligation       $ 1,500,000
Accrued expeses   $ 900,000 $ 5,700,000  
GlaxoSmithKline LLC [Member] | GSK Settlement Agreement [Member]        
Other Commitments [Line Items]        
Payment of settlement amount $ 10,000,000