2. Basis of Presentation and Significant Accounting Policies: Cost of Revenues (Details) - USD ($)	3 Months Ended	9 Months Ended
	Jul. 31, 2021	Jul. 31, 2021
Impairment Of Long Lived Assets, Held For Use (Rounded)		$ 21,000
Passur Network 1
Impairment Of Long Lived Assets, Held For Use (Rounded)		3,565,000
Leases
Impairment Of Long Lived Assets, Held For Use (Rounded)		175,000
Capitalized Software Development Costs
Impairment Of Long Lived Assets, Held For Use (Rounded)	$ 6,134,000	$ 9,874,000