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Income (Loss) per Common Share (Tables) | 9 Months Ended
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Aug. 31, 2013
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Net Income (Loss) Per Common Share | The following table sets forth the calculation of basic and diluted net income (loss) per common share:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | August 31, 2013 |  |  | August 31, 2012 |  |  | August 31, 2013 |  |  | August 31, 2012 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) |  | $ | 194,434 |  |  | ($ | 547,097 | ) |  | $ | 194,782 |  |  | ($ | 5,454,090 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding-basic |  |  | 10,774,892 |  |  |  | 11,166,496 |  |  |  | 10,900,750 |  |  |  | 11,325,280 |
Dilutive common shares issuable upon exercise of stock options |  |  | 89,007 |  |  |  | — |  |  |  | 109,529 |  |  |  | — |
Weighted-average shares-diluted |  |  | 10,863,899 |  |  |  | 11,166,496 |  |  |  | 11,010,279 |  |  |  | 11,325,280 |
Net loss per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.02 |  |  | ($ | 0.05 | ) |  | $ | 0.02 |  |  | ($ | 0.48 | )
Diluted |  | $ | 0.02 |  |  | ($ | 0.05 | ) |  | $ | 0.02 |  |  | ($ | 0.48 | )

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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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