Quarterly report pursuant to Section 13 or 15(d)

Stock Options and Warrants - Additional Information (Detail)

v3.6.0.2
Stock Options and Warrants - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2016
Nov. 30, 2015
May 31, 2016
Mar. 31, 2016
Feb. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Proceeds from exercise of warrants         $ 397,880        
Compensation expense         $ 687,634 $ 590,661      
Placement Agent                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common shares, shares 1,066,667   1,066,667   1,066,667        
Term of warrants 5 years       5 years        
Exercise price of warrants, per share $ 0.825   $ 0.825   $ 0.825        
Private Equity Offering                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common shares, shares     774,097   774,097        
Term of warrants   5 years     5 years   5 years    
Exercise price of warrants, per share   $ 1.00              
Proceeds from exercise of warrants         $ 398,000        
Private Equity Offering | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price of warrants, per share             $ 0.75    
Private Equity Offering | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price of warrants, per share             $ 1.00    
Private Equity Offering | Warrants                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common shares, shares   182,375         23,254,230    
Exercise price of warrants, per share   $ 1.35              
Private Equity Offering | Placement Agent                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common shares, shares             4,960,314    
Private Equity Offering | Investors and Placement Agent | Warrants                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common shares, shares     182,375   182,375        
Non Cash Exercise | Private Equity Offering                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common shares, shares     138,864   138,864        
Exercise Price 1 | Private Equity Offering                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price of warrants, per share     $ 1.35   $ 1.35        
Exercise Price 2 | Private Equity Offering                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price of warrants, per share     0.50   0.50        
Exercise Price 3 | Private Equity Offering                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price of warrants, per share     0.75   0.75        
Exercise Price 4 | Private Equity Offering                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise price of warrants, per share     $ 0.75   $ 0.75        
Securities Purchase Agreement                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common shares, shares 6,666,667   6,666,667   6,666,667        
Term of warrants 5 years       5 years        
Exercise price of warrants, per share $ 1.00   $ 1.00   $ 1.00        
2012 Equity Incentive Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Compensation expense     $ 335,000 $ 239,000 $ 688,000 591,000      
Grant date fair value of options and warrants     279,000 $ 123,000 530,000 $ 324,000      
Unrecognized compensation expense     $ 1,124,000   $ 1,124,000        
Weighted average period over which unrecognized compensation expense is expected to be recognized     1 year 9 months 29 days            
2012 Equity Incentive Plan | Stock Options                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for future stock-based grants     550,930   550,930        
2012 Equity Incentive Plan | Stock Options | Directors                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted, shares         300,000        
Stock options granted, exercise price         $ 1.09        
Stock options grant date fair value         $ 0.78        
2012 Equity Incentive Plan | Stock Options | Directors | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period         1 year        
2012 Equity Incentive Plan | Stock Options | Directors | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period         10 years        
2012 Equity Incentive Plan | Stock Options | Director 2                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted, shares         100,000        
Stock options granted, exercise price         $ 0.68        
Stock options grant date fair value         $ 0.53        
Vesting rights percentage         25.00%        
Stock options, term         1 year        
2012 Equity Incentive Plan | Stock Options | Executive Management and Employees                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted, shares         1,050,000        
Vesting period         3 years        
Stock options, term         10 years        
Stock options granted, exercise price, lower range limit         $ 1.09        
Stock options granted, exercise price, upper range limit         1.10        
2012 Equity Incentive Plan | Stock Options | Executive Management and Employees | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options grant date fair value         0.75        
2012 Equity Incentive Plan | Stock Options | Executive Management and Employees | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options grant date fair value         $ 0.76        
2012 Equity Incentive Plan | Stock Options | Before Amendment                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for future issuance               5,000,000 3,000,000
2012 Equity Incentive Plan | Stock Options | After amendment                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for future issuance               7,000,000 5,000,000