Unrecognized cost of unvested share-based compensation awards.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Publisher FASB
-Name Accounting Standards Codification
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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.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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Value of stock issued as a result of the exercise of stock options.

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Stock Incentive Compensation Stock Components Outstanding and Exercisable (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Restricted stock and exercise of stock options	$ 78	$ 0	$ 159
Options Outstanding	58,166
Options Exercisable	58,166
Options Granted December 12, 2008 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices	$ 2.11
Options Outstanding	8,000
Exercise Price of Options Outstanding and Options Exercisable	$ 2.11
Options Exercisable	8,000
Weighted Avg Remaining Contractual LIfe	1 year 1 month 14 days
Options Granted August 13, 2009 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices	$ 5.30
Options Outstanding	18,166
Exercise Price of Options Outstanding and Options Exercisable	$ 5.30
Options Exercisable	18,166
Weighted Avg Remaining Contractual LIfe	1 year 9 months 10 days
Options Granted December 10, 2010 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices	$ 12.04
Options Outstanding	26,000
Exercise Price of Options Outstanding and Options Exercisable	$ 12.04
Options Exercisable	26,000
Weighted Avg Remaining Contractual LIfe	3 years 1 month 11 days
Options Granted December 8, 2011 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices	$ 8.10
Options Outstanding	6,000
Exercise Price of Options Outstanding and Options Exercisable	$ 8.10
Options Exercisable	6,000
Weighted Avg Remaining Contractual LIfe	4 years 1 month 21 days
Employee Stock Option [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 137
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 40		$ 18
Options Outstanding	58,166	89,666	90,666	123,333
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 8.16	$ 9.67	$ 9.70	$ 9.69
Weighted Avg Remaining Contractual LIfe	2 years 6 months 10 days	3 years 15 days	4 years 1 month 5 days	5 years 1 month 25 days
Restricted Stock [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 1,982
Restricted Stock Units (RSUs) [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 181