Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Stock Option Activity for Options with Service-Based Vesting Conditions (Detail)

v3.6.0.2
Stockholders' Equity - Stock Option Activity for Options with Service-Based Vesting Conditions (Detail) - Service-Based Vesting Condition Options [Member] - USD ($)
 12 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding at November 30, 2015 968,930  
Granted 204,729  
Exercised (23,399)  
Expired/forfeited (8,250)  
Outstanding at November 30, 2016 1,142,010 968,930
Exercisable at November 30, 2016 1,044,604  
Outstanding at November 30, 2015, Weighted Average Exercise Price $ 2.17  
Granted, Weighted Average Exercise Price 3.19  
Exercised, Weighted Average Exercise Price 1.72  
Expired/forfeited, Weighted Average Exercise Price 2.18  
Outstanding at November 30, 2016, Weighted Average Exercise Price 2.36 $ 2.17
Exercisable at November 30, 2016, Weighted Average Exercise Price $ 2.28  
Outstanding at November 30, 2015, Weighted Average Remaining Contractual Term (Years) 4 years 11 months 27 days 5 years 4 days
Exercisable at November 30, 2016, Weighted Average Remaining Contractual Term (Years) 4 years 7 months 28 days  
Outstanding at November 30, 2015 $ 1,095,525  
Granted 217,249  
Exercised 51,384  
Expired/forfeited 17,040  
Outstanding at November 30, 2016 2,157,112 $ 1,095,525
Exercisable at November 30, 2016 $ 2,055,492