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Note 14 – Common Stock (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Apr. 30, 2022 | Apr. 30, 2021
Class of Stock [Line Items] |  |
Common Stock, Par or Stated Value Per Share | $ 0.001 |
Common Stock, Shares Authorized | 500,000,000 | 500,000,000
[custom:GrossProceedsFromOfferings] | $ 76,000,000 |
[custom:NetProceedsFromOfferings] | $ 70,100,000 |
[custom:SharesPreviouslyPendingIssuanceUnderRestrictedStockAgreementsAppliedTowardPayrollTaxObligationsOnRestrictedStock] | 225,870 |
[custom:SharesPreviouslyPendingIssuanceUnderRestrictedStockAgreementsAppliedAgainstNotesPayable] | 92,812 |
Series A Preferred Stock 2 [Member] |  |
Class of Stock [Line Items] |  |
[custom:StockIssuedDuringPeriodSharesCommonStockIssuedUponConversionOfPreferredStock] | 1,321,996 |
[custom:StockIssuedDuringPeriodSharesConversionOfPreferredStock] | 158,704 |
Series B Preferred Stock 2 [Member] |  |
Class of Stock [Line Items] |  |
[custom:StockIssuedDuringPeriodSharesCommonStockIssuedUponConversionOfPreferredStock] | 818,333 |
[custom:StockIssuedDuringPeriodSharesConversionOfPreferredStock] | 982,000 |
Common Stock 1 [Member] |  |
Class of Stock [Line Items] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised | 66,666 |
Stock Issued During Period, Shares, Acquisitions | 707,293 |
[custom:StockIssuedDuringPeriodSharesAcquisitions2] | 3,588,272 |
Stock Issued During Period, Shares, New Issues | 17,333,334 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period | 89,107 |
[custom:StockIssuedDuringPeriodSharesRestrictedStockAgreementsWithEmployees] | 225,637 |
[custom:StockIssuedDuringPeriodSharesRestrictedStockAgreementsWithNonEmployees] | 55,166 |
Stock Issued During Period, Shares, Issued for Services | 111,667 |

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