v3.26.1
Share capital - Disclosure of detailed information about stock options outstanding and exercisable (Details)
shares in Thousands
12 Months Ended
Dec. 31, 2025
shares
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Outstanding | shares 7,762
Weighted average exercise price $ 1.33
Exercisable | shares 2,785
Weighted average exercise price $ 1.19
CAD $0.01 to $1.00 [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average remaining contractual life (years) 11 months 23 days
Outstanding | shares 963
Weighted average exercise price $ 0.78
Exercisable | shares 963
Weighted average exercise price $ 0.78
CAD $0.01 to $1.00 [Member] | Bottom of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price 0.01
CAD $0.01 to $1.00 [Member] | Top of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price $ 1
CAD $1.01 to $2.00 [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average remaining contractual life (years) 3 years 21 days
Outstanding | shares 6,629
Weighted average exercise price $ 1.38
Exercisable | shares 1,772
Weighted average exercise price $ 1.38
CAD $1.01 to $2.00 [Member] | Bottom of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price 1.01
CAD $1.01 to $2.00 [Member] | Top of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price $ 2
CAD $2.01 to $3.00 [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average remaining contractual life (years) 2 years 9 months 14 days
Outstanding | shares 130
Weighted average exercise price $ 2.29
Exercisable | shares 50
Weighted average exercise price $ 2.25
CAD $2.01 to $3.00 [Member] | Bottom of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price 2.01
CAD $2.01 to $3.00 [Member] | Top of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price $ 3
CAD $3.01 to $4.00 [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average remaining contractual life (years) 4 years 7 months 17 days
Outstanding | shares 40
Weighted average exercise price $ 3.43
Exercisable | shares 0
Weighted average exercise price $ 0
CAD $3.01 to $4.00 [Member] | Bottom of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price 3.01
CAD $3.01 to $4.00 [Member] | Top of range [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Weighted average exercise price $ 4