4. Leases: Schedule of Maturities of Contractual Obligations Relating to Operating Leases (Details)	Oct. 31, 2020 USD ($)
Details
Operating Lease Obligations Maturities Repayments Of Principal, Remainder Of Fiscal Year	$ 54,852
Operating Lease Obligations Maturities Repayments Of Principal, In Year Two	60,590
Operating Lease Obligations Maturities Repayments Of Principal, In Year Three	60,590
Operating Lease Obligations Maturities Repayments Of Principal, In Year Four	60,590
Operating Lease Obligations Maturities Repayments Of Principal, In Year Five	40,393
Operating Lease Obligations Maturities Repayments Of Principal, Thereafter	0
Operating Lease Obligations Maturities Repayments Of Principal	$ 277,015

Represents the monetary amount of Operating Lease Obligations Maturities Repayments Of Principal, as of the indicated date.

No definition available.

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Represents the monetary amount of Operating Lease Obligations Maturities Repayments Of Principal, In Year Five, as of the indicated date.

No definition available.

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Represents the monetary amount of Operating Lease Obligations Maturities Repayments Of Principal, In Year Four, as of the indicated date.

No definition available.

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Represents the monetary amount of Operating Lease Obligations Maturities Repayments Of Principal, In Year Three, as of the indicated date.

No definition available.

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Represents the monetary amount of Operating Lease Obligations Maturities Repayments Of Principal, In Year Two, as of the indicated date.

No definition available.

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Represents the monetary amount of Operating Lease Obligations Maturities Repayments Of Principal, Remainder Of Fiscal Year, as of the indicated date.

No definition available.

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Represents the monetary amount of Operating Lease Obligations Maturities Repayments Of Principal, Thereafter, as of the indicated date.

No definition available.

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No definition available.