Note 11 - Related Party Transactions (Details Textual) |
12 Months Ended | |
|---|---|---|
|
Mar. 31, 2026
CAD ($)
$ / shares
shares
|
Mar. 31, 2025
CAD ($)
shares
|
|
| Athabasca properties [member] | ||
| Statement Line Items [Line Items] | ||
| Increase (decrease) in number of shares outstanding, exploration and evaluation assets option agreement (in shares) | shares | 1,795,492 | |
| Increase (decrease) in equity, evaluation and exploration assets option agreement | $ 6,716,449 | |
| Denison Mines Corp. [member] | ||
| Statement Line Items [Line Items] | ||
| Increase (decrease) in number of shares outstanding, exploration and evaluation assets option agreement (in shares) | shares | 485,000 | |
| Shares issued, price per share 1 (in CAD per share) | $ / shares | $ 2.2 | |
| Increase (decrease) in equity, evaluation and exploration assets option agreement | $ 1,067,000 | |
| Technical commitment fees | $ 15,000 | |
| Denison Mines Corp. [member] | Athabasca properties [member] | ||
| Statement Line Items [Line Items] | ||
| Number of instruments or interests issued or issuable | 1,369,810 | |