Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Note 11 - Other Loans Payable (Details Textual)	3 Months Ended			9 Months Ended		12 Months Ended
Note 11 - Other Loans Payable (Details Textual)	Apr. 30, 2021 USD ($)	Apr. 30, 2021 CAD ($)	Apr. 30, 2020 USD ($)	Apr. 30, 2021 USD ($)	Apr. 30, 2020 USD ($)	Jul. 31, 2020 USD ($)	Jul. 31, 2020 CAD ($)
Gain (Loss) on Extinguishment of Debt, Total	$ 7,759			$ 286,376
Other Loans Payable [Member]
Repayments of Long-term Debt, Total				98,203
Paycheck Protection Program CARES Act [Member] \| Other Loans Payable [Member]
Long-term Debt, Gross						$ 277,250
Gain (Loss) on Extinguishment of Debt, Total				278,617
CEBA Loan [Member]
Gain (Loss) on Extinguishment of Debt, Total	7,759
Proceeds from Issuance of Long-term Debt, Total						$ 29,842	$ 40,000
Repayments of Long-term Debt, Total		$ 30,000
Debt Instrument, Decrease, Forgiveness		$ 10,000
Promissory Note [Member]
Debt Instrument, Face Amount	380,000			380,000
Promissory Note [Member] \| Other Loans Payable [Member]
Debt Instrument, Face Amount	$ 380,000			$ 380,000
Debt Instrument, Interest Rate, Stated Percentage	5.00%			5.00%
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 4,124			$ 7,235