Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Income (Loss) per Common Share - Calculation of Basic and Diluted Net (Loss) Income per Common Share (Detail) - USD ($)
3 Months Ended
Feb. 28, 2017
Feb. 29, 2016
Denominator:    
Weighted-average shares outstanding-basic 6,901,108 8,971,373
Dilutive common shares issuable upon exercise of stock options 536,135  
Weighted-average shares-diluted 7,437,243 8,971,373
Earnings (Loss) per share:    
Basic $ 0.07 $ (0.01)
Diluted $ 0.07 $ (0.01)
Net income (loss) $ 486,923 $ (122,936)