4. Leases: Schedule of lease costs and other information relating to the Company's operating leases (Details) - USD ($)	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Details
Operating Lease, Cost	$ 49,022	$ 182,076
Short-term Lease, Cost	20,860	51,115
Variable Lease, Cost	3,151	14,369
Lease, Cost	73,033	$ 247,560
Operating cash flows from operating leases	21,471
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 0
Operating Lease, Weighted Average Remaining Lease Term	3 years 4 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	9.75%