2. Basis of Presentation and Significant Accounting Policies: Stock-based Compensation (Details) - USD ($)	3 Months Ended
Jan. 31, 2020	Jan. 31, 2019
Details
Share-based Payment Arrangement, Noncash Expense	$ 147,000	$ 156,000

Amount of noncash expense for share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration