10. Stock-Based Compensation (Details) - USD ($)	12 Months Ended
Oct. 31, 2017	Oct. 31, 2016
Details
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 25,000	$ 77,000
Unrecognized stock-based compensation costs expected to be recognized over a weighted average period	$ 2,247,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	814,500

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=96867065&loc=d3e5070-113901

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Period Type:	duration