Share Capital - Change in Warrants Outstanding (Details) - $ / shares |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share capital, reserves and other equity interest [Abstract] | ||
| Warrants outstanding, beginning balance (in shares) | 7,063,862 | 7,074,348 |
| Warrants expired (in shares) | (7,063,862) | (10,486) |
| Warrants outstanding, ending balance (in shares) | 0 | 7,063,862 |
| Weighted average exercise price of warrants outstanding, beginning balance (in CAD per share) | $ 46.22 | $ 44.34 |
| Weighted average exercise price of warrants expired (in CAD per share) | 44.18 | 388.43 |
| Weighted average exercise price of warrants outstanding, ending balance (in CAD per share) | $ 0 | $ 46.22 |