Stock Based Compensation Equity Awards (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Class of Stock [Line Items]
Compensation Expense Recognized	$ 526	$ 419	$ 1,042	$ 817
Employee Stock Option [Member]
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	47	137	47	137
Restricted Stock [Member]
Class of Stock [Line Items]
Compensation Expense Recognized	497	395	977	771
Compensation Cost, Nonvested Awards, Not yet Recognized	3,101		3,101
Restricted Stock Units (RSUs) [Member]
Class of Stock [Line Items]
Compensation Expense Recognized	29	$ 24	65	$ 46
Compensation Cost, Nonvested Awards, Not yet Recognized	$ 193		$ 193

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
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