2. Basis of Presentation and Significant Accounting Policies: Passur Network (Details) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017	[1]
Details
PASSUR Network Costs, Capitalized	$ 58,000	$ 323,000	$ 125,000	$ 392,000
Depreciation of PASSUR Network costs	176,000	$ 158,000	352,000	$ 331,000
PASSUR Network, net	$ 5,837,776		$ 5,837,776		$ 6,004,367

[1] Certain April 30, 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