4. Passur Network: Schedule of Passur Network (Details) - USD ($)	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016		Oct. 31, 2015
PASSUR Network, Gross	$ 19,788,000	$ 18,387,000		$ 17,765,000
PASSUR Network	(1,400,624)	(622,098)	[1]
PASSUR Network, net	6,004,367	5,198,421	[1]
PassurNetwork1Member
Depreciation, Depletion and Amortization, Nonproduction	$ 13,784,000	$ 13,189,000

[1] Restated