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Note 7 - Capital Stock and Reserves (Details Textual) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2024 CAD ($) $ / shares shares | Sep. 30, 2023 CAD ($) | Sep. 30, 2024 CAD ($) $ / shares shares | Sep. 30, 2024 CAD ($) $ / shares $ / shares shares | Sep. 30, 2023 CAD ($) | Mar. 31, 2024 CAD ($) $ / shares shares | Aug. 24, 2023 CAD ($) shares | Mar. 31, 2023 shares
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Number of share options granted in share-based payment arrangement |  |  | 36,000 |  |  | 238,500 |  |
Number of share options expired in share-based payment arrangement |  |  | 52,500 |  |  |  |  |
Share-based arrangement, payment reserve, forfeited |  |  | $ 278,337 |  |  |  |  |
Number of share options exercised in share-based payment arrangement |  |  | (0) |  |  | 36,000 |  |
Exercise price of outstanding share options (in CAD per share) | $ / shares |  |  |  |  |  | $ 4.95 |  |
Number of share options forfeited in share-based payment arrangement |  |  | 52,500 |  |  | 80,300 |  |
Unit warrants expiring August 24, 2028 [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Class of warrant or right outstanding 1 (in shares) | shares | 800,000 |  | 800,000 | 800,000 |  | 800,000 | 800,000 | 0
Class of warrants or rights outstanding, value | $ 428,663 |  | $ 428,663 | $ 428,663 |  | $ 656,946 | $ 823,597 |
Agent warrants [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Class of warrant or right, granted, value |  |  | $ 100 |  |  |  |  |
Class of warrant or right outstanding 1 (in shares) | shares | 43,325 |  | 43,325 | 43,325 |  | 49,039 |  | 5,765
Agent warrants [member] | Certain underwriters or agents [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Number of warrants issued during the period (in shares) | shares |  |  |  |  |  | 40,000 |  |
The 2023 stock incentive plan [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Share-based compensation, number of shares authorized (in shares) | shares | 850,000 |  | 850,000 | 850,000 |  |  |  |
Share options 1 [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Maximum percentage of outstanding stock allowed under share-based payment arrangement | 10.00% |  | 10.00% | 10.00% |  |  |  |
Options issued to consultant one [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Number of share options granted in share-based payment arrangement |  |  | 36,000 |  |  |  |  |
Weighted average exercise price of share options granted in share-based payment arrangement (in CAD per share) | (per share) |  |  | $ 3.91 | $ 2.84 |  |  |  |
Share-based payment arrangement, award vesting period (Year) |  |  | 5 years |  |  |  |  |
Share-based payment arrangement, options, fair value | $ 112,200 |  | $ 112,200 | $ 112,200 |  |  |  |
Performance stock options [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Number of share options granted in share-based payment arrangement |  |  | 0 |  |  |  |  |
Number of share options expired in share-based payment arrangement |  |  |  |  |  | 15,000 |  |
Number of share options exercised in share-based payment arrangement |  |  | 0 |  |  |  |  |
Expense from share-based payment transactions | 0 | $ 15,787 |  |  | $ 31,574 |  |  |
Number of share options forfeited in share-based payment arrangement |  |  | 0 |  |  |  |  |
Peg North Property [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, exploration and evaluation assets option agreement (in shares) | shares |  |  | 28,818 |  |  |  |  |
Increase (decrease) in equity, evaluation and exploration assets option agreement |  |  | $ 100,000 |  |  |  |  |
Jean Lake Property [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Increase (decrease) in number of shares outstanding, exploration and evaluation assets option agreement (in shares) | shares |  |  | 12,106 |  |  |  |  |
Increase (decrease) in equity, evaluation and exploration assets option agreement |  |  | $ 50,000 |  |  |  |  |
Tranche 2 of private placement [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Cash finder's fees paid |  |  | 175 |  |  |  |  |
Legal and filing fees |  |  | 22,869 |  |  |  |  |
Flow-through premium liability | 57,012 |  | 57,012 | 57,012 |  |  |  |
Warrant premium | 480,100 |  | 480,100 | 480,100 |  |  |  |
Commitment to incur expenses | $ 1,455,129 |  | 1,455,129 | $ 1,455,129 |  |  |  |
Qualifying CEE |  |  | $ 88,972 |  |  |  |  |
Tranche 2 of private placement [member] | Flow-through shares issued in private placement [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Number of instruments granted in share-based payment arrangement |  |  | 247,471 |  |  |  |  |
Class of warrant or right, exercise price of warrants or rights (in CAD per share) | $ / shares | $ 5.88 |  | $ 5.88 | $ 5.88 |  |  |  |
Proceeds from exercise of warrants |  |  | $ 1,455,129 |  |  | $ 105,000 |  |
Tranche 2 of private placement [member] | Warrants issued in non-brokered private placement [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Class of warrant or right, exercise price of warrants or rights (in CAD per share) | $ / shares | 4 |  | $ 4 | 4 |  |  |  |
Weighted average trading price (in CAD per share) | $ / shares | 6 |  | 6 | 6 |  |  |  |
Tranche 2 of private placement [member] | Finders warrants [member] |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |
Class of warrant or right, exercise price of warrants or rights (in CAD per share) | $ / shares | $ 3.4 |  | $ 3.4 | $ 3.4 |  |  |  |
Increase (decrease) in number of shares outstanding, shares issued, share purchase finders warrants (in shares) | shares | 51 |  | 51 | 51 |  |  |  |
Class of warrant or right, granted, value |  |  | $ 100 |  |  |  |  |

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