v3.26.1
Income taxes - Disclosure of effective rate of income tax (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income Taxes [Abstract]    
Loss before income taxes $ (82,823) $ (48,325)
Applicable tax rate 26.50% 26.50%
Tax recovery at statutory rate $ (21,948) $ (12,806)
Mexican mining royalty 1,655 84
Impact of foreign tax rates 185 (31)
Non-deductible expenses 4,931 3,544
Losses not recognized 19,800 9,888
Income tax expense (recovery) $ 4,623 $ 679