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SHARE CAPITAL - Narrative - Issued Share Capital (Details) $ / shares in Units, $ / shares in Units, $ in Thousands |  |  |  |  | 12 Months Ended |  |  |  |  |
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Mar. 19, 2024 CAD ($) shares | Mar. 19, 2024 USD ($) $ / shares shares | Nov. 14, 2023 CAD ($) $ / shares shares | Nov. 14, 2023 USD ($) $ / shares shares | Aug. 04, 2023 CAD ($) $ / shares shares | Aug. 04, 2023 USD ($) $ / shares shares | May 30, 2023 CAD ($) shares | Mar. 31, 2025 CAD ($) shares $ / shares | Mar. 31, 2025 USD ($) shares $ / shares | Mar. 31, 2024 CAD ($) $ / shares shares | Mar. 31, 2024 USD ($) $ / shares shares | Feb. 10, 2025 CAD ($) | Nov. 14, 2023 $ / shares shares | Aug. 23, 2023 CAD ($) | Aug. 04, 2023 $ / shares shares | Mar. 31, 2023 shares
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares held in escrow (in shares) |  |  |  |  |  |  |  | 23,364 | 23,364 | 415,985 | 415,985 |  |  |  |  |
Common stock shares, authorized value | $ |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  | $ 35,000 |  |
Payments for share issue costs | $ |  |  |  |  |  |  |  | $ 941,000 |  | $ 832,000 |  |  |  |  |  |
Percentage of outstanding common shares |  |  |  |  |  |  | 0.0999 |  |  |  |  |  |  |  |  |
Professional and consulting fees | $ |  |  |  |  |  |  |  | $ 4,156,000 |  | 4,918,000 |  |  |  |  |  |
Common shares exchange rate |  |  |  |  |  |  |  | 0.26316 | 0.26316 |  |  |  |  |  |  |
LPC Purchase Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares, authorized value | $ |  |  |  |  |  |  | $ 30,000,000 |  |  |  |  |  |  | $ 30,000,000 |  |
Proceeds from issue of ordinary shares |  |  |  |  |  |  |  |  |  | $ 476,000 | $ 351 |  |  |  |  |
Purchase period, term |  |  |  |  |  |  | 36 months |  |  |  |  |  |  |  |  |
August 2023 compensation common share warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in CAD/USD per share) | $ / shares |  |  |  |  |  | $ 12.92 |  |  |  |  |  |  |  |  |  |
Payments for share issue costs |  |  |  |  | $ 506,000 | $ 379 |  |  |  |  |  |  |  |  |  |
Number of shares acquired upon exercise of warrant (in shares) |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 |
Exercise price of other equity instruments (in CAD/USD per share) | (per share) |  |  |  |  | $ 21.85 |  |  |  |  |  |  |  |  |  | $ 15.2 |
Period to exercise warrant |  |  |  |  | 60 months | 60 months |  |  |  |  |  |  |  |  |  |
Professional and consulting fees |  |  |  |  | $ 622,000 | $ 465 |  |  |  |  |  |  |  |  |  |
Number of common shares (in shares) |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 |
Number of common share purchase warrants (in shares) |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 |
November 2023 compensation common share warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in CAD/USD per share) | $ / shares |  |  |  | $ 17.48 |  |  |  |  |  |  |  |  |  |  |  |
Payments for share issue costs |  |  |  |  | $ 2,096,000 | 1,530 |  |  |  |  |  |  |  |  |  |
Number of shares acquired upon exercise of warrant (in shares) |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 |  |  |
Exercise price of other equity instruments (in CAD/USD per share) | (per share) |  |  | $ 27.86 |  |  |  |  |  |  |  |  |  | $ 19.38 |  |  |
Professional and consulting fees |  |  |  |  | $ 339,000 | $ 247 |  |  |  |  |  |  |  |  |  |
Number of common shares (in shares) |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 |  |  |
Number of common share purchase warrants (in shares) |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 |  |  |
March 2024 private placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for share issue costs | $ 11,726,000 | $ 8,665 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Professional and consulting fees | $ | $ 504,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
At-the-market offering - net of share issuance costs (in shares) | 9,179,927 | 9,179,927 |  |  | 638,545 | 638,545 | 66,812 |  |  | 898,434 | 898,434 |  |  |  |  |
Share price (in CAD/USD per share) | (per share) |  |  |  |  |  | $ 12.92 |  | $ 13.62 | $ 9.52 | $ 17.29 | $ 12.82 |  |  |  |  |
Proceeds from issue of ordinary shares |  |  |  |  | $ 11,018,000 | $ 8,250 |  | $ 21,924,000 | $ 15,322 | $ 15,532,000 | $ 11,518 |  |  |  |  |
Common shares | LPC Purchase Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
At-the-market offering - net of share issuance costs (in shares) |  |  |  |  |  |  |  |  |  | 50,658 | 50,658 |  |  |  |  |
Share price (in CAD/USD per share) | (per share) |  |  |  |  |  |  |  |  |  | $ 12.3 | $ 9.18 |  |  |  |  |
Proceeds from issue of ordinary shares |  |  |  |  |  |  |  |  |  | $ 623,000 | $ 465 |  |  |  |  |
Common shares | November 2023 compensation common share warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
At-the-market offering - net of share issuance costs (in shares) |  |  | 1,754,386 | 1,754,386 |  |  |  |  |  |  |  |  |  |  |  |
Share price (in CAD/USD per share) | $ / shares |  |  |  | $ 17.1 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issue of ordinary shares |  |  | $ 41,107,000 | $ 30,000 |  |  |  |  |  |  |  |  |  |  |  |
Common shares | March 2024 private placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in CAD/USD per share) | $ / shares |  | $ 16.34 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issue of ordinary shares | $ 202,995,000 | $ 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares subject to resale restrictions (in shares) | 415,985 | 415,985 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding (in shares) |  |  |  |  |  |  |  | 0 | 0 | 0 | 0 |  |  |  |  |
Class B Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares outstanding (in shares) |  |  |  |  |  |  |  | 36,084.7 | 36,084.7 | 36,084.7 | 36,084.7 |  |  |  |  | 530,542.1
Number of shares issued upon conversion of convertible instruments (in shares) |  |  |  |  |  |  |  | 9,496 | 9,496 |  |  |  |  |  |  |
Class B shares converted (in shares) |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |
Shares issued on Adelia milestones (in shares) |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
At-the-market offering - net of share issuance costs (in shares) |  |  |  |  |  |  |  | 1,609,298 | 1,609,298 | 898,434 | 898,434 |  |  |  |  |
Adjustment for fractional shares upon share consolidation (in shares) | $ |  |  |  |  |  |  |  | $ 2 |  |  |  |  |  |  |  |
Number of shares outstanding (in shares) |  |  |  |  |  |  |  | 21,610,704 | 21,610,704 | 20,001,404 | 20,001,404 |  |  |  |  | 5,279,846

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