Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Non-Vested Options (Detail)

v3.8.0.1
Stockholders' Equity - Summary of Non-Vested Options (Detail) - $ / shares
9 Months Ended
Aug. 31, 2017
Aug. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Non-vested at November 30, 2016 Shares 97,406  
Granted, Shares 22,500  
Vested, Shares (34,374)  
Forfeited, Shares 0  
Non-vested at August 31, 2017 Shares 85,532  
Non-vested at November 30, 2016 , Weighted Average Grant-Date Fair Value $ 1.84  
Granted, Weighted Average Grant-Date Fair Value 3.25 $ 1.86
Vested, Weighted Average Grant-Date Fair Value 1.92  
Forfeited, Weighted Average Grant-Date Fair Value 0  
Non-vested at August 31, 2017, Weighted Average Grant-Date Fair Value $ 2.18