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Earnings Per Share (Details Textual)	3 Months Ended
Earnings Per Share (Details Textual)	Apr. 30, 2014	Apr. 30, 2013
Earnings Per Share Diluted [Line Items]
Weighted basic average shares outstanding	25,325,000	25,522,000
Weighted average number diluted shares outstanding adjustment	371,000	351,000
Dilutive common stock equivalents	36,000	19,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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