2. Basis of Presentation and Significant Accounting Policies: Cost of Revenues (Details)	6 Months Ended
	Apr. 30, 2020 USD ($)
Impairment Of Long Lived Assets, Held For Use, Rounded	$ 9,874,000
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