4. Leases: Schedule of lease costs and other information relating to the Company's operating leases (Details) - USD ($)	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Details
Operating lease cost	$ 22,924	$ 49,022
Short-term lease cost	3,473	20,860
Variable lease cost	1,639	3,151
Total	28,036	$ 73,033
Operating cash flows from operating leases	42,428
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 0
Operating Lease, Weighted Average Remaining Lease Term	4 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	9.75%