v3.26.1
Significant agreements (Details)
1 Months Ended 12 Months Ended
Jan. 31, 2020
patient
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Significant agreements      
Research and development   $ 221,184,000 $ 189,447,000
Prepaid expenses and other current assets   $ 8,611,000 8,351,000
Bristol-Myers Squibb Company      
Significant agreements      
Number of patients | patient 125    
Roche      
Significant agreements      
Termination period   60 days  
Prepaid expenses and other current assets   $ 0 0
Roche | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement      
Significant agreements      
Research and development   0 0
Proceeds from collaborators   $ 0 $ 1,800,000