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Note 8 - Financial Instruments (Details Textual) $ in Millions, $ in Millions | Mar. 31, 2025 USD ($) | Mar. 31, 2025 CAD ($)
--- | --- | ---
Currency Exchange Rate | 1.4355 | 1.4355
Sensitivity Analysis, Ten Percent Change to Foreign Currency Exchange, Impact to Net Income (Loss) and Other Comprehensive Income (Loss) | $ 0.4 |
Ontario Subsidiary [Member] |  |
Net Assets |  | $ 5.7

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