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Earnings Per Share (Tables) | 9 Months Ended
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Oct. 31, 2012
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] | The following table sets forth the computation of basic and diluted earnings per share based upon income (loss) from continuing operations at October 31, 2012 and 2011.
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 31, |  |  | October 31, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) from continuing operations |  | $ | 282,646 |  |  | $ | 145,634 |  |  | $ | (8,194,991 | ) |  | $ | 2,095,470 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Weighted-average shares which reflect 356,441 and 356,441 and 356,441 and 356,441 weighted average common shares in the treasury as a result of the stock repurchase program for the three months and nine months in each of 2012 and 2011, respectively |  |  | 5,330,286 |  |  |  | 5,225,020 |  |  |  | 5,276,288 |  |  |  | 5,224,371 |
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options |  |  | 36,957 |  |  |  | 131,815 |  |  |  | 0 |  |  |  | 123,801 |
Denominator for diluted earnings per share |  |  | 5,367,243 |  |  |  | 5,356,835 |  |  |  | 5,276,288 |  |  |  | 5,348,172 |
(adjusted weighted average shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings (loss) per share |  | $ | 0.05 |  |  | $ | 0.03 |  |  | $ | (1.55 | ) |  | $ | 0.40 |
Diluted earnings (loss) per share |  | $ | 0.05 |  |  | $ | 0.03 |  |  | $ | (1.55 | ) |  | $ | 0.39

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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