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Earnings Per Share (Details) (USD $) | 3 Months Ended
--- | ---
Apr. 30, 2013 | Apr. 30, 2012
Numerator |  |
Net loss from continuing operations | $ (844,480) | $ (10,121,466)
Denominator |  |
Denominator for basic earnings per share (weighted-average shares which reflect 356,441 shares in the treasury as a result of the stock repurchase program for the three months ended April 30, 2013 and 2012, respectively) | 5,337,205 | 5,225,478
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options | 0 | 0
Denominator for diluted loss per share (adjusted weighted average shares) | 5,337,205 | 5,225,478
Basic loss per share from continuing operations (in dollars per share) | $ (0.16) | $ (1.94)
Diluted loss per share from continuing operations (in dollars per share) | $ (0.16) | $ (1.94)

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