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Note 7 - Capital Stock and Reserves - Weighted Average Assumptions (Details) | Jun. 30, 2024 | Mar. 31, 2024
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Unit warrants expiring on both March 13, 2026 and April 29, 2026 [member] | Fair value of option [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 3.71 | 3.77
Unit warrants expiring on both March 13, 2026 and April 29, 2026 [member] | Exercise Price [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 4 | 4
Unit warrants expiring on both March 13, 2026 and April 29, 2026 [member] | Expected life [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 2 | 2
Unit warrants expiring on both March 13, 2026 and April 29, 2026 [member] | Interest rate, measurement input [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 0.043 | 0.035
Unit warrants expiring on both March 13, 2026 and April 29, 2026 [member] | Historical volatility for shares, measurement input [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 1.009 | 1.1096
Unit warrants expiring on both March 13, 2026 and April 29, 2026 [member] | Dividend yield [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 0 | 0
Agent warrants [member] | Fair value of option [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 1.96 | 7.95
Agent warrants [member] | Exercise Price [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 3.4 | 8.09
Agent warrants [member] | Expected life [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 2 | 4.78
Agent warrants [member] | Interest rate, measurement input [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 0.043 | 0.0409
Agent warrants [member] | Historical volatility for shares, measurement input [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 1.009 | 1.13
Agent warrants [member] | Dividend yield [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 0 | 0

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