v3.26.1
Nature of the business (Details) - USD ($)
$ in Thousands
3 Months Ended
Aug. 14, 2026
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Significant agreements        
Net loss   $ 69,766 $ 86,693  
Accumulated deficit   $ 1,332,285   $ 1,262,519
Subsequent Event        
Significant agreements        
Proceeds from an equity offering $ 141,000