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(Loss) Income per Common Share (Tables) | 9 Months Ended
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Aug. 31, 2016
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Net (Loss) Income per Common Share | The following table sets forth the calculation of basic and diluted net (loss) income per common share:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | August 31, 2016 |  |  | August 31, 2015 |  |  | August 31, 2016 |  |  | August 31, 2015 |
Numerator: |  |  |  |  |  |  |  |
Net (Loss) Income |  | ($ | 2,644,361 | ) |  | $ | 7,829,572 |  |  |  | (2,130,165 | ) |  | $ | 8,325,774 |
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares outstanding-basic |  |  | 7,583,771 |  |  |  | 9,462,102 |  |  |  | 8,546,110 |  |  |  | 9,697,679 |
Dilutive common shares issuable upon exercise of stock options |  |  | — |  |  |  | 288,095 |  |  |  | — |  |  |  | 247,939 |
Weighted-average shares-diluted |  |  | 7,583,771 |  |  |  | 9,750,197 |  |  |  | 8,546,110 |  |  |  | 9,945,618 |
Net (loss) income per common share: |  |  |  |  |  |  |  |
Basic |  | ($ | 0.35 | ) |  | $ | 0.83 |  |  | ($ | 0.25 | ) |  | $ | 0.86 |
Diluted |  | ($ | 0.35 | ) |  | $ | 0.80 |  |  | ($ | 0.25 | ) |  | $ | 0.84 |

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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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