2. Basis of Presentation and Significant Accounting Policies: Revenue Recognition Policy (Details) - USD ($)	3 Months Ended	6 Months Ended
Apr. 30, 2019	Apr. 30, 2019
Details
Revenue (Rounded)	$ 3,634,000	$ 7,290,000
Deferred Revenue, Revenue Recognized	$ 260,000	$ 2,585,000

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

No definition available.

Name:	us-gaap_DeferredRevenueRevenueRecognized1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration