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Note 14 - Warrants (Details Narrative) - USD ($) | 1 Months Ended | 2 Months Ended
--- | --- | ---
Oct. 31, 2021 | Jun. 30, 2021 | May 31, 2021 | Jan. 31, 2021 | Oct. 31, 2020 | Apr. 30, 2021
Note 14 - Warrants |  |  |  |  |  |
[custom:WarrantsToPurchaseSharesIssued] | 533,333 |  | 200,000 | 675,000 | 399,998 |
[custom:ConvertibleNotesIssuedWithWarrantIssuance] |  |  |  | $ 500,000 | $ 600,000 |
[custom:WarrantsIssuedExercisePrice] | $ 5.625 |  | $ 5.00 | $ 1.50 | $ 1.50 |
[custom:ProceedsReceivedFromExerciseOfWarrants] |  | $ 99,999 |  |  |  | $ 201,249
[custom:ExerciseOfWarrantsShares] |  | 66,666 |  |  |  | 201,666
[custom:ReductionInDerivativeLiabilityResultingFromExerciseOfWarrants] |  | $ 163,141 |  |  |  | $ 694,305

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