v3.26.1
Subsequent events (Details) - Subsequent events - USD ($)
$ in Millions
1 Months Ended
Mar. 31, 2026
Dec. 31, 2026
Subsequent events    
Workforce reduction that is expected to result 30.00%  
Percentage of annual operating expenses 50.00%  
Cash expenditure for severance and other employee termination benefits   $ 8.0