Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Stockholder's Equity - Stock Option Activity for Options with Service-Based Vesting Conditions (Detail) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
May 31, 2016
May 31, 2015
May 31, 2016
May 31, 2015
Nov. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted 169,729 169,729 0    
Exercised     0 0  
Service-Based Vesting Condition Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Outstanding at November 30, 2015     968,930    
Granted     169,729    
Exercised     0    
Expired/forfeited     (2,500)    
Outstanding at May 31, 2016 1,136,159   1,136,159   968,930
Exercisable at May 31, 2016 1,019,264   1,019,264    
Outstanding at November 30, 2015, Weighted Average Exercise Price     $ 2.17    
Granted, Weighted Average Exercise Price     3.15    
Exercised, Weighted Average Exercise Price     0    
Expired/forfeited, Weighted Average Exercise Price     2.10    
Outstanding at May 31, 2016, Weighted Average Exercise Price $ 2.32   2.32   $ 2.17
Exercisable at May 31, 2016, Weighted Average Exercise Price $ 2.22   $ 2.22    
Outstanding at May 31, 2016, Weighted Average Remaining Contractual Term (Years)     5 years 3 months 26 days   5 years 4 days
Exercisable at May 31, 2016, Weighted Average Remaining Contractual Term (Years)     4 years 9 months 22 days    
Outstanding at November 30, 2015     $ 1,095,525    
Granted     0    
Exercised     0    
Expired/forfeited     2,250    
Outstanding at May 31, 2016 $ 804,396   804,396   $ 1,095,525
Exercisable at May 31, 2016 $ 804,396   $ 804,396