Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Stock Option Activity for Options (Detail)

v3.3.1.900
Stockholders' Equity - Stock Option Activity for Options (Detail) - Service-Based Vesting Condition Options [Member] - USD ($)
 12 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding at November 30, 2014 997,266  
Granted 22,500  
Exercised (35,000)  
Expired/forfeited (15,836)  
Outstanding at November 30, 2015 968,930 997,266
Exercisable at November 30, 2015 953,927  
Outstanding at November 30, 2014, Weighted Average Exercise Price $ 2.14  
Granted, Weighted Average Exercise Price 3.08  
Exercised, Weighted Average Exercise Price 2.00  
Expired/forfeited, Weighted Average Exercise Price 2.08  
Outstanding at November 30, 2015, Weighted Average Exercise Price 2.17 $ 2.14
Exercisable at November 30, 2015, Weighted Average Exercise Price $ 2.16  
Outstanding at August 31, 2015, Weighted Average Remaining Contractual Term (Years) 5 years 4 days 5 years 10 months 2 days
Exercisable at August 31, 2015, Weighted Average Remaining Contractual Term (Years) 4 years 11 months 27 days  
Outstanding at November 30, 2014 $ 661,466  
Granted 4,950  
Exercised 39,325  
Expired/forfeited 19,370  
Outstanding at November 30, 2015 1,095,525 $ 661,466
Exercisable at November 30, 2015 $ 1,092,224