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Note 2 – Summary of Significant Accounting Policies (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Apr. 30, 2024 | Apr. 30, 2023
Accounting Policies [Abstract] |  |
Cash | $ 6,067,169 | $ 3,173,649
Interest and Dividend Income, Securities, Operating, Other | 0 | 151,671
Equity Method Investment, Other than Temporary Impairment | 11,353,875 |
Contract with Customer, Liability, Current | 53,939 | 155,986
Contract with Customer, Asset, before Allowance for Credit Loss, Current | 1,477,859 | 0
Standard Product Warranty Accrual, Current | 372,000 | 90,000
[custom:DifferenceBetweenComprehensiveLossAndNetLoss] | 865,738 | 609,155
Debt Securities, Available-for-Sale, Unrealized Gain (Loss) | 864,165 | 610,129
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent | 1,573 | 974
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent | (21,526,696) | (26,376,643)
Net Cash Provided by (Used in) Operating Activities, Continuing Operations | (17,687,063) | $ (24,313,674)
Banking Regulation, Total Capital, Actual | $ 18,746,419 |

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