4. Leases: Schedule of lease costs and other information relating to the Company's operating leases (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020
Details
Operating Lease, Cost	$ 46,969	$ 113,060	$ 144,104	$ 726,963
Short-term Lease, Cost	17,848	51,805	56,555	155,729
Variable Lease, Cost	1,414	10,289	8,867	38,756
Lease, Cost	$ 66,231	$ 175,154	209,526	$ 921,448
Operating cash flows from operating leases			78,602
Right-of-use assets obtained in exchange for new operating lease liabilities			$ 0
Operating Lease, Weighted Average Remaining Lease Term	3 years 7 months 6 days		3 years 7 months 6 days
Operating Lease, Weighted Average Discount Rate, Percent	9.75%		9.75%