Note 4 - Investment In Associate (Details Textual) - CAD ($) |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Jun. 17, 2025 |
Mar. 31, 2025 |
Jan. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Statement Line Items [Line Items] | ||||||
| Gain (loss) on investment in marketable securities | $ 1,497,878 | $ 0 | $ 0 | |||
| Rio Grande Resources Ltd [member] | ||||||
| Statement Line Items [Line Items] | ||||||
| Number of shares in entity held by entity or by its subsidiaries or associates (in shares) | 5,152,557 | 5,152,557 | 5,152,557 | 5,152,557 | ||
| Proportion of ownership interest in associate | 12.12% | 19.95% | 19.95% | |||
| Fair value of shares acquired resulting from a spin-out transaction | $ 489,493 | $ 489,493 | ||||
| Gain (loss) on investment in marketable securities | $ 1,497,878 | |||||
| Fair value of investments in associates for which there are quoted market prices | 1,854,921 | |||||
| Decrease through derecognition, financial assets | $ 357,043 | $ 357,043 | ||||