2. Basis of Presentation and Significant Accounting Policies: Recent Accounting Pronouncements (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020	Oct. 31, 2019	Oct. 31, 2017	Oct. 31, 2020
Details
Operating lease right-of-use assets	$ 178,271		$ 178,271		$ 1,497,000		$ 232,721
Operating Lease, Liability	324,366		324,366		1,620,000
Revenues	$ 1,461,844	$ 3,178,742	3,159,765	$ 7,404,058	$ 15,046,000
Deferred revenue			$ 17,877	$ (1,419,527)		$ 66,000