Income Tax - Schedule of Temporary Differences and Unused Tax Losses (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Income Tax - Schedule of Temporary Differences and Unused Tax Losses (Details) [Line Items] | ||
| Deferred tax assets | $ 48,420 | $ 74,096 |
| Non-capital loss carry forwards [Member] | ||
| Income Tax - Schedule of Temporary Differences and Unused Tax Losses (Details) [Line Items] | ||
| Deferred tax assets | 53,963 | 50,891 |
| Plant and equipment [Member] | ||
| Income Tax - Schedule of Temporary Differences and Unused Tax Losses (Details) [Line Items] | ||
| Deferred tax assets | 2,161 | 4,790 |
| Mineral rights and properties [Member] | ||
| Income Tax - Schedule of Temporary Differences and Unused Tax Losses (Details) [Line Items] | ||
| Deferred tax assets | (3,857) | 892 |
| Other deductible temporary difference [Member] | ||
| Income Tax - Schedule of Temporary Differences and Unused Tax Losses (Details) [Line Items] | ||
| Deferred tax assets | $ (3,847) | $ 17,523 |