Reconciliation of Numerator and Denominator of the basic and diluted earnings per share computation (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Jan. 31, 2015	Jan. 31, 2014
Equity [Abstract]
Net income	$ 3,673us-gaap_NetIncomeLoss	$ 4,939us-gaap_NetIncomeLoss
Basic weighted average shares	17,215	17,113
Effect of dilutive securities:
Stock options	40	95
Diluted weighted average shares	17,255	17,208
Basic earnings per share	$ 0.21us-gaap_EarningsPerShareBasic	$ 0.29us-gaap_EarningsPerShareBasic
Diluted earnings per share	$ 0.21us-gaap_EarningsPerShareDiluted	$ 0.29us-gaap_EarningsPerShareDiluted

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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