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SHARE CAPITAL - Summary of warrants (Details)
 12 Months Ended
Mar. 31, 2025
shares
$ / shares
Mar. 31, 2024
shares
$ / shares
Common Share Purchase Warrants    
Number of Warrants    
Outstanding (in shares) 2,796,197 611,329
Issued (in shares)   2,392,931
Number of other equity instruments exercised or vested in share-based payment arrangement 0 (2,658)
Number of other equity instruments expired in share-based payment arrangement (in shares)   (205,404)
Outstanding (in shares) 2,796,197 2,796,197
Number of other equity instruments exercisable in share-based payment arrangement (in shares) 2,796,197  
Weighted average exercise price    
Outstanding (in CAD per share) | $ / shares $ 22.74 $ 49.02
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement | $ / shares   25.46
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement | $ / shares 0 20.14
Weighted average exercise price of other equity instruments forfeited in share-based payment arrangement (in CAD per share) | $ / shares   131.86
Outstanding (in CAD per share) | $ / shares 24.03 $ 22.74
Weighted average exercise price of other equity instruments exercisable in share-based payment arrangement (in CAD per share) | $ / shares $ 24.03  
Unit Purchase Warrants    
Number of Warrants    
Outstanding (in shares) 0 22,862
Issued (in shares)   (22,862)
Outstanding (in shares) 0 0
Weighted average exercise price    
Outstanding (in CAD per share) | $ / shares $ 0 $ 85.50
Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement | $ / shares   85.50
Outstanding (in CAD per share) | $ / shares $ 0 $ 0
Number of common shares (in shares) 1  
Number of common share purchase warrants (in shares) 0.5  
Number of shares acquired upon exercise of warrant (in shares) 1  
Weighted average exercise price of other equity instruments exercisable in share-based payment arrangement (in CAD per share) | $ / shares $ 123.5