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Net Income Per Common Share (Details Textual)	3 Months Ended		9 Months Ended
Net Income Per Common Share (Details Textual)	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Net Income Per Common Share (Textual)
Shares issuable upon exercise of options, warrants or convertible debt excluded from computation of earning per share	784,244,000	176,868,000	76,779,000	10,165,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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