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Note 4 – Marketable Securities (Details Narrative) | Apr. 30, 2024 USD ($)
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Investments, Debt and Equity Securities [Abstract] |
[custom:CorporateBondsAtCarryingValueFairValue-0] | $ 12,814,038
[custom:CorporateBondsAtCarryingValueCostBasis-0] | 13,678,203
[custom:CorporateBondsAtCarryingValueUnrealizedLosses-0] | $ 864,165

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