4. Leases: Schedule of lease costs and other information relating to the Company's operating leases (Details)	3 Months Ended	9 Months Ended
	Jul. 31, 2020 USD ($)	Jul. 31, 2020 USD ($)
Details
Operating Lease, Cost	$ 113,060	$ 726,963
Short-term Lease, Cost	51,805	155,729
Variable Lease, Cost	10,289	38,756
Lease, Cost	$ 175,154	921,448
Operating cash flows from operating leases		452,226
Right-of-use assets obtained in exchange for new operating lease liabilities		$ 14,418
Operating Lease, Weighted Average Remaining Lease Term	2 years 6 months 29 days	2 years 6 months 29 days
Operating Lease, Weighted Average Discount Rate, Percent	9.75%	9.75%