9. Stock-Based Compensation (Details) - USD ($)	12 Months Ended
Oct. 31, 2016	Oct. 31, 2015
Details
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 77,000	$ 558,000
Unrecognized stock-based compensation costs expected to be recognized over a weighted average period	$ 1,857,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	708,000

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration