v3.25.1
Share-Based Payments - Summary of Option Activity (Details)
12 Months Ended
Mar. 31, 2025
shares
$ / shares
Mar. 31, 2025
shares
$ / shares
$ / shares
Mar. 31, 2024
shares
$ / shares
Mar. 31, 2024
shares
$ / shares
$ / shares
Mar. 31, 2025
shares
$ / shares
Mar. 31, 2024
shares
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Exercised (in CAD/USD per option) | $ / shares     $ 2.45      
CAD            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of stock options 2,735,066 2,735,066 3,320,696 3,320,696 2,735,066 3,320,696
CAD | Long Term Incentive Plan            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Beginning balance (in shares) 3,320,696 3,320,696 3,400,696 3,400,696    
Forfeited (in shares) (105,769) (105,769) (57,250) (57,250)    
Expired (in shares) (479,861) (479,861) (22,750) (22,750)    
Ending balance (in shares) 2,735,066 2,735,066 3,320,696 3,320,696    
Number of stock options 2,036,314 2,036,314 1,932,064 1,932,064 2,036,314 1,932,064
Beginning balance (in CAD/USD per option) | $ / shares $ 3.22   $ 3.23      
Forfeited (in CAD/USD per option) | $ / shares 3.24   3.32      
Expired (in CAD/USD per option) | $ / shares 2.79   3.71      
Ending balance (in CAD/USD per option) | $ / shares 3.29   3.22      
Exercisable at year end (in CAD/USD per option) | $ / shares $ 3.31 $ 3.31 $ 3.34 $ 3.34    
USD            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Number of stock options 812,075 812,075 1,016,575 1,016,575 812,075 1,016,575
USD | Long Term Incentive Plan            
Disclosure of terms and conditions of share-based payment arrangement [line items]            
Beginning balance (in shares) 1,016,575 1,016,575 1,084,175 1,084,175    
Forfeited (in shares) (42,250) (42,250) (52,100) (52,100)    
Expired (in shares) (162,250) (162,250) (13,000) (13,000)    
Exercised (in shares) 0 0 (2,500) (2,500)    
Ending balance (in shares) 812,075 812,075 1,016,575 1,016,575    
Number of stock options 552,157 552,157 509,525 509,525 552,157 509,525
Beginning balance (in CAD/USD per option) | $ / shares   $ 2.55   $ 2.55    
Forfeited (in CAD/USD per option) | $ / shares   2.58   2.44    
Expired (in CAD/USD per option) | $ / shares   2.60   3.23    
Exercised (in CAD/USD per option) | $ / shares   0   1.67    
Ending balance (in CAD/USD per option) | $ / shares   $ 2.53   $ 2.55    
Exercisable at year end (in CAD/USD per option) | $ / shares         $ 2.52 $ 2.66