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Earnings Per Share (Tables) | 6 Months Ended
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Jul. 31, 2013
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
The following table sets forth the computation of basic and diluted earnings (loss) per share at July 31, 2013 and 2012.
|  | Three Months Ended July 31, |  | Six Months Ended July 31, |
|  | 2013 |  | 2012 |  | 2013 |  | 2012 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |
Net profit (loss) from continuing operations |  | $ | 4,171,399 |  | $ | 1,643,830 |  | $ | 3,326,919 |  | $ | (8,477,637) |
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings (loss) per share |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding before common share equivalents |  |  | 5,352,034 |  |  | 5,271,997 |  |  | 5,341,578 |  |  | 5,235,957 |
Weighted average common equivalent shares resulting from the warrant issued June 28, 2013 to the subordinated debt lender LKL Investments LLC |  |  | 207,539 |  |  | 0 |  |  | 103,769 |  |  | 0 |
Total weighted average, including common equivalent shares |  |  | 5,559,573 |  |  | 5,271,997 |  |  | 5,445,348 |  |  | 5,235,957 |
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options |  |  | 108,663 |  |  | 169,170 |  |  | 73,725 |  |  | — |
Denominator for diluted earnings (loss) per share (adjusted weighted average shares) |  |  | 5,668,236 |  |  | 5,441,167 |  |  | 5,519,073 |  |  | 5,235,957 |
Basic earnings ( loss) per share from continuing operations |  | $ | 0.75 |  | $ | 0.31 |  | $ | 0.61 |  | $ | (1.62) |
Diluted earnings (loss) per share from continuing operations |  | $ | 0.74 |  | $ | 0.30 |  | $ | 0.60 |  | $ | (1.62) |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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