v3.26.1
Share-based compensation - Black-Scholes Option Pricing Model (Details) - CAD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Share-based compensation    
Expected volatility 81.00% 66.00%
Risk-free interest rate 2.60% 3.70%
Expected life 4 years 4 years
Weighted average share price $ 2.51 $ 2.74
Weighted average fair value of options granted $ 1.52 $ 1.45
Share based compensation expense $ 2,400,000 $ 2,300,000