v3.25.4
Commitments and contingencies - Licenses (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Commitments and contingencies    
Committed amount, CMO Term Sheet   $ 2.5
Maximum    
Commitments and contingencies    
Committed amount, CMO Term Sheet   $ 5.5
Ascletis    
Commitments and contingencies    
Maximum eligible development and commercial milestone payments $ 122.0