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Note 10 - Convertible Notes (Details Narrative) - USD ($) | 1 Months Ended | 2 Months Ended | 7 Months Ended | 10 Months Ended | 13 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2020 | Dec. 31, 2019 | Oct. 31, 2021 | Oct. 31, 2021 | Oct. 31, 2021
Convertible Debenture 2019 Notes [Member] |  |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |  |
[custom:ConvertibleNoteIssuedAccreditedInvestor] |  |  |  | $ 300,000 |  |  |
[custom:ConvertibleNoteIssuedDirector] |  |  |  | 125,000 |  |  |
[custom:ConvertibleNoteIssuedChiefExecutiveOfficer] |  |  |  | $ 25,000 |  |  |
Debt Instrument, Term |  |  |  | 2 years |  |  |
Debt Instrument, Interest Rate During Period |  |  |  | 12.00% |  |  |
[custom:ConvertibleNotesPrincipalConversion] |  |  | $ 450,000 |  |  |  |
[custom:ConvertibleNotesAccruedInterestConversion] |  |  | $ 45,204 |  |  |  |
[custom:ConvertibleNotesConversionShares] |  |  | 710,444 |  |  |  |
Convertible Debenture 2020 Notes [Member] |  |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |  |
Debt Instrument, Term |  | 2 years |  |  |  |  |
Debt Instrument, Interest Rate During Period |  | 12.00% |  |  |  |  |
[custom:ConvertibleNotesPrincipalConversion] |  |  |  |  |  | $ 600,000 |
[custom:ConvertiblePromissoryNotePrincipalAmount] |  |  |  |  |  |  | $ 600,000
[custom:WarrantsToPurchaseCommonStock] |  | 399,998 |  |  |  |  |
[custom:DerivativeLiabilityInitialValue] |  | $ 728,587 |  |  |  |  |
[custom:DebtDiscountToReduceInitialCarryingValueOfNotes] |  | 580,000 |  |  |  |  |
[custom:DebtDiscountAppliedAgainstTransactionFees] |  | 20,000 |  |  |  |  |
[custom:DerivativeLiabilityValueRelatedToDerivativeFeaturesOfNotes] |  | 460,588 |  |  |  |  |
[custom:DerivativeLiabilityValueRelatedToDerivativeFeaturesOfWarrants] |  | $ 267,999 |  |  |  |  |
[custom:WarrantsOutstanding-0] |  |  |  |  | 266,666 | 266,666 | 266,666
Derivative Liability |  |  |  |  | $ 783,613 | $ 783,613 | $ 783,613
Convertible Debenture 2021 Notes [Member] |  |  |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |  |  |
Debt Instrument, Term | 2 years |  |  |  |  |  |
Debt Instrument, Interest Rate During Period | 12.00% |  |  |  |  |  |
[custom:ConvertibleNotesPrincipalConversion] |  |  |  |  | $ 500,000 |  |
[custom:ConvertiblePromissoryNotePrincipalAmount] | $ 500,000 |  |  |  |  |  |
[custom:WarrantsToPurchaseCommonStock] | 675,000 |  |  |  |  |  |
[custom:DerivativeLiabilityInitialValue] | $ 4,981,701 |  |  |  |  |  |
[custom:DebtDiscountToReduceInitialCarryingValueOfNotes] | 500,000 |  |  |  |  |  |
[custom:DerivativeLiabilityValueRelatedToDerivativeFeaturesOfNotes] | 2,111,035 |  |  |  |  |  |
[custom:DerivativeLiabilityValueRelatedToDerivativeFeaturesOfWarrants] | $ 2,870,666 |  |  |  |  |  |
[custom:WarrantsOutstanding-0] |  |  |  |  | 540,000 | 540,000 | 540,000
Derivative Liability |  |  |  |  | $ 1,592,952 | $ 1,592,952 | $ 1,592,952

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