v3.26.1
Stock-based compensation - Schedule of Other Information about Stock-Based Awards (Details) - $ / shares
6 Months Ended
Jun. 30, 2026
May 25, 2025
RSUs and PSUs    
Weighted-average assumptions used to determine grant-date fair value of PSUs:    
Expected life   5 years
Risk-free interest rate   4.00%
Volatility   84.00%
Dividend yield   0.00%
RSUs    
Weighted-average fair value per share as of transaction date:    
Granted (in dollars per share) $ 6.65 $ 6.54
Weighted-average assumptions used to determine grant-date fair value of PSUs:    
Fair value of RSUs vested (in dollars per share) 7.24 6.25
PSUs    
Weighted-average fair value per share as of transaction date:    
Granted (in dollars per share) 0 $ 5.06
Weighted-average assumptions used to determine grant-date fair value of PSUs:    
Fair value of RSUs vested (in dollars per share) $ 0