v3.26.1
Equity reserves (Narrative) (Details)
$ / shares in Units, Share in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
CAD ($)
Share
Year
$ / shares
Dec. 31, 2025
USD ($)
Share
Year
Dec. 31, 2024
$ / shares
Dec. 31, 2024
USD ($)
Share
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Net share-based payment expense | $   $ 2,289   $ 1,321
Number of options granted 45 45   1,618
Weighted average exercise price of stock options granted | $ / shares $ 2.46   $ 2.51  
Timing of options vesting The options vest over time, with one-third of a grant of 45 vesting during each period ending April 1, 2026, 2027 and 2028 The options vest over time, with one-third of a grant of 45 vesting during each period ending April 1, 2026, 2027 and 2028   The options vest over time, with one third of a grant of 1,066 vesting during each of the three-month periods ending September 30, 2025, 2026 and 2027. A grant of 552 vested immediately
Weighted average fair value at measurement date, share options granted | $ $ 1,100      
Risk free interest rate, share options granted 2.87% 2.87%    
Option life, share options granted | Year 5 5    
Expected volatility, share options granted 66.40% 66.40%    
Expected dividend as percentage, share options granted 0.00% 0.00%    
Expected forfeiture rate of share options granted 0.00% 0.00%    
Weighted average remaining contractual life of outstanding share options 3 years 2 months 12 days 3 years 2 months 12 days   3 years 9 months 18 days
RSUs [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Granted 1,888 1,888   0
Number of warrants expired unexercised 0 0   0
RSUs [Member] | Grant 1 [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Granted 508 508    
Fair value | $ / shares $ 1.93      
RSUs [Member] | Grant 2 [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Granted 1,380 1,380    
Fair value | $ / shares $ 1.99      
Warrants [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Granted 20,178 20,178   0
Exercise price of instruments granted | $ / shares $ 0.57      
Fair value | $ / shares $ 1.88      
Proceeds available if granted warrants were exercised | $ $ 11,501,000      
Estimated weighted average grant date fair value per warrant | $ $ 1.31      
Risk-free interest rate of warrants 3.63% 3.63%    
Expected volatility of warrants 70.70% 70.70%    
Expected life of warrants 5 years 5 years    
Closing foreign exchange rate 0.72      
Number of warrants expired unexercised 328,000 328,000   0