Quarterly report pursuant to Section 13 or 15(d)

Income (Loss) per Common Share - Calculation of Basic and Diluted Net Income (Loss) Per Common Share (Detail)

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Income (Loss) per Common Share - Calculation of Basic and Diluted Net Income (Loss) Per Common Share (Detail) (USD $)
3 Months Ended 6 Months Ended
May 31, 2014
May 31, 2013
May 31, 2014
May 31, 2013
Numerator:        
Net Income (Loss) $ 215,773 $ (243,658) $ 612,885 $ 348
Denominator:        
Weighted-average shares outstanding-basic 10,250,471 10,946,743 10,467,914 10,964,370
Dilutive common shares issuable upon exercise of stock options 156,136 0 127,676 118,194
Weighted-average shares-diluted 10,406,607 10,946,743 10,595,590 11,082,564
Net income (loss) per common share:        
Basic $ 0.02 $ (0.02) $ 0.06 $ 0.00
Diluted $ 0.02 $ (0.02) $ 0.06 $ 0.00