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)

v2.4.0.8
Income (Loss) Per Common Share - Calculation of Basic and Diluted Net Income (Loss) Per Common Share (Detail) (USD $)
3 Months Ended 9 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Aug. 31, 2013
Aug. 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)