Note 14 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - CAD ($) |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Cumulative exploration and development expenses [member] | ||
| Statement Line Items [Line Items] | ||
| Deferred tax (assets) liabilities) | $ (4,448,000) | $ (1,257,000) |
| Marketable securities [member] | ||
| Statement Line Items [Line Items] | ||
| Deferred tax (assets) liabilities) | (104,000) | 0 |
| Non-capital losses [member] | ||
| Statement Line Items [Line Items] | ||
| Deferred tax (assets) liabilities) | $ 4,552,000 | $ 1,257,000 |