Income Tax - Disclosure of deferred taxes (Details) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Apr. 30, 2025 |
|---|---|---|
| Disclosure of Components of Deferred Tax Assets [Line Items] | ||
| Net deferred tax asset (liability) | $ 0 | $ 0 |
| Non-capital loss carry forwards [Member] | ||
| Disclosure of Components of Deferred Tax Assets [Line Items] | ||
| Net deferred tax asset (liability) | 16,938 | 10,806 |
| Property and equipment [Member] | ||
| Disclosure of Components of Deferred Tax Assets [Line Items] | ||
| Net deferred tax asset (liability) | 123 | 167 |
| Exploration and evaluation assets [Member] | ||
| Disclosure of Components of Deferred Tax Assets [Line Items] | ||
| Net deferred tax asset (liability) | $ (17,061) | $ (10,973) |