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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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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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-Publisher FASB
-Name Accounting Standards Codification
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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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-Publisher FASB
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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

+ References

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-Publisher FASB
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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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 Options and Incentive Compensation Options Outstanding and Exercisable (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Stock Issued During Period, Value, Stock Options Exercised	$ 159	$ 1,061	$ 302
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	96
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	96
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 18	$ 652	$ 485
Exercise Prices	$ 9.70
Options Outstanding	90,666	123,333	236,134	362,085
Options Exercisable	90,666
Options Granted February 14, 2007 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices	$ 14.74
Options Outstanding	16,000
Exercise Price of Options Outstanding and Options Exercisable	$ 14.74
Options Exercisable	16,000
Weighted Avg Remaining Contractual LIfe	1 year 3 months 15 days
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	3 years 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	19,666
Exercise Price of Options Outstanding and Options Exercisable	$ 5.30
Options Exercisable	19,666
Weighted Avg Remaining Contractual LIfe	3 years 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	36,000
Exercise Price of Options Outstanding and Options Exercisable	$ 12.04
Options Exercisable	36,000
Weighted Avg Remaining Contractual LIfe	5 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	11,000
Exercise Price of Options Outstanding and Options Exercisable	$ 8.10
Options Exercisable	11,000
Weighted Avg Remaining Contractual LIfe	6 years 1 month 24 days