v3.26.1
Share-Based Payments - Schedule of Share Options Outstanding and Exercisable (Details)
 12 Months Ended
Mar. 31, 2026
CAD ($)
shares
$ / shares
Mar. 31, 2025
CAD ($)
shares
$ / shares
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of other equity instruments surrendered for cancellation (in shares)   32,130
Share-based compensation | $ $ 3,253,000 $ 2,327,000
PSUs    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Settled (in shares) 0 89,712
Other equity instruments surrendered for cancellation, value | $ $ 0  
Share-based compensation | $   $ (72,000)
Deficit | PSUs    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Other equity instruments surrendered for cancellation, value | $ $ 709,000  
Share-based compensation | $   $ 274,000
Subordinate Voting Shares | Share capital    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Issuance of shares upon settlement of PSUs (in shares)   23,812
Issuance of shares upon settlement of PSUs | $   $ 222,000
Long Term Incentive Plan | PSUs    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Settled (in shares)   55,942
Other equity instruments surrendered for cancellation, value | $   $ 299,000
Other than Long Term Incentive Plan | PSUs    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Settled (in shares)   33,770
CAD    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of stock options 2,980,892 3,547,141
Weighted average remaining exercise period – in years 3 years 11 months 19 days 4 years 7 months 20 days
CAD | Long Term Incentive Plan    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of stock options 2,664,025 2,588,471
Exercisable at year end (in CAD/USD per option) | $ / shares $ 3.34 $ 3.34
CAD | 1.90 to 2.55    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of stock options 456,000 563,632
Weighted average remaining exercise period – in years 4 years 2 months 23 days 4 years 9 months 3 days
CAD | 2.56 to 2.96    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of stock options 120,000 285,000
Weighted average remaining exercise period – in years 3 months 8 months 15 days
CAD | 2.97 to 3.30    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of stock options 1,360,342 1,561,959
Weighted average remaining exercise period – in years 5 years 2 months 15 days 6 years 1 month 6 days
CAD | 3.31 to 3.95    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of stock options 664,300 714,300
Weighted average remaining exercise period – in years 2 years 8 months 1 day 3 years 7 months 13 days
CAD | 3.96 to 4.55    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Number of stock options 380,250 422,250
Weighted average remaining exercise period – in years 2 years 7 months 2 days 3 years 5 months 19 days
CAD | Bottom of range | 1.90 to 2.55    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares $ 1.90  
CAD | Bottom of range | 2.56 to 2.96    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 2.56  
CAD | Bottom of range | 2.97 to 3.30    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 2.97  
CAD | Bottom of range | 3.31 to 3.95    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 3.31  
CAD | Bottom of range | 3.96 to 4.55    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 3.96  
CAD | Top of range | 1.90 to 2.55    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 2.55  
CAD | Top of range | 2.56 to 2.96    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 2.96  
CAD | Top of range | 2.97 to 3.30    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 3.30  
CAD | Top of range | 3.31 to 3.95    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares 3.95  
CAD | Top of range | 3.96 to 4.55    
Disclosure of number and weighted average remaining contractual life of outstanding share options [line items]    
Exercise price (in CAD/USD per option) | $ / shares $ 4.55