2. Basis of Presentation and Significant Accounting Policies: Passur Network (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017		Oct. 31, 2017	[1]
PASSUR Network Costs, Capitalized	$ 87,000	$ 213,000	$ 212,000	$ 605,000
Depreciation of PASSUR Network costs	213,000	$ 112,000	565,000	443,000
PASSUR Network, net	5,020,404		5,020,404			$ 6,004,367
Provision for obsolete and slow moving PASSUR Network parts and supplies	$ 229,500		(229,500)	0	[1]
Loss from impairment charges			1,246,354	$ 0	[1]
PASSUR NETWORK
Loss from impairment charges			$ 510,000

[1] Certain July 31, 2017 balances have been restated from previously reported results. Please refer to Note 2 of the Company’s Annual Report on Form 10-K for the year ended October 31, 2017