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Net Income Per Common Share (Details Textual)
3 Months Ended 9 Months Ended
Aug. 31, 2014
Aug. 31, 2013
Aug. 31, 2014
Net Income Per Common Share (Textual)      
Shares issuable upon exercise of options, warrants or convertible debt excluded from computation of earning per share 9,540,651,000 10,165,000 9,540,651,000