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SHARE CAPITAL - Narrative - Warrants (Details) $ / shares in Units, $ in Thousands, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 14, 2023 CAD ($) $ / shares shares | Nov. 14, 2023 USD ($) shares | Aug. 04, 2023 CAD ($) $ / shares shares | Aug. 04, 2023 USD ($) shares | Mar. 31, 2025 CAD ($) shares | Mar. 31, 2024 CAD ($) shares $ / shares
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Proceeds on exercise of warrants | $ |  |  |  |  | $ 0 | $ 56
Share-based compensation | $ |  |  |  |  | 42,869 | $ 13,886
Warrants |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Share-based compensation | $ |  |  |  |  | $ 1,955 |
Common Share Purchase Warrants |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Exercised (in shares) |  |  |  |  | 0 | 2,658
Proceeds on exercise of warrants | $ |  |  |  |  | $ 56 |
Number of other equity instruments expired in share-based payment arrangement (in shares) |  |  |  |  |  | 205,404
Weighted average exercise price of other equity instruments forfeited in share-based payment arrangement (in CAD per share) | $ / shares |  |  |  |  |  | $ 131.86
Issued (in shares) |  |  |  |  |  | 2,392,931
Number of warrants with extended expiry dates (in shares) |  |  |  |  | 405,924 |
August 2023 compensation common share warrant |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Proceeds on exercise of warrants |  |  | $ 4,600 | $ 3,442 |  |
Issued (in shares) |  |  | 638,545 | 638,545 |  |
Exercise price, share options granted (in CAD per share) | $ / shares |  |  | $ 15.2 |  |  |
Number of shares acquired upon exercise of warrant (in shares) |  |  | 1 | 1 |  |
November 2023 compensation common share warrant |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Proceeds on exercise of warrants | $ 17,842 | $ 12,299 |  |  |  |
Issued (in shares) | 1,754,386 | 1,754,386 |  |  |  |
Exercise price, share options granted (in CAD per share) | $ / shares | $ 19.38 |  |  |  |  |
Number of shares acquired upon exercise of warrant (in shares) | 1 | 1 |  |  |  |
Granted to officers and directors |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |
Number of warrants with extended expiry dates (in shares) |  |  |  |  | 260,527 |

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