Annual report pursuant to Section 13 and 15(d)

Stock-based Plans and Stock-based Compensation (Stock Options-Narrative) (Details)

v3.8.0.1
Stock-based Plans and Stock-based Compensation (Stock Options-Narrative) (Details)
 12 Months Ended
Nov. 30, 2017
USD ($)
employee
item
$ / shares
shares
Aug. 14, 2017
USD ($)
employee
item
$ / shares
shares
Jun. 28, 2017
USD ($)
employee
item
$ / shares
shares
May 15, 2017
USD ($)
employee
item
$ / shares
shares
Mar. 23, 2017
USD ($)
employee
item
$ / shares
shares
Nov. 17, 2016
USD ($)
employee
item
$ / shares
shares
Aug. 23, 2016
USD ($)
item
$ / shares
shares
Mar. 24, 2016
USD ($)
employee
item
$ / shares
shares
Jan. 19, 2016
USD ($)
employee
item
$ / shares
shares
Jan. 15, 2016
USD ($)
employee
item
$ / shares
shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Dec. 31, 2016
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares authorized under stock plan | shares                     6,818,948  
Shares available for future grants | shares                     733,933  
Continuous service period                     4 years  
Options to purchase shares, in-the-money | shares                     3,947,000  
Weighted average grant date fair value | $ / shares $ 1.15 $ 0.895 $ 0.76 $ 0.60                
Number of employees, options granted | employee 15 2 2 8 7              
Options granted | shares 285,000 165,000 150,000 2,105,000 322,500              
Percent of shares vested on first anniversary of grant date 25.00% 25.00% 25.00% 25.00% 25.00%              
Monthly installments in which options vest, after initial vesting Anniversary | item 36 36 36 36 36              
Volatility rate 84.00% 86.00% 86.00% 85.00% 86.00%              
Call option value, price per share | $ / shares $ 0.82 $ 0.65 $ 0.55 $ 0.43 $ 0.52              
Call option value | $ $ 235,452 $ 107,250 $ 82,500 $ 905,150 $ 167,700              
Weighted average grant date fair value | $ / shares         $ 0.72           $ 0.50 $ 0.61
Unearned stock based compensation expense | $                     $ 2,080,959  
Maximum [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Contractual terms (period)                     10 years  
Minimum [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Contractual terms (period)                     5 years  
Stock Option Issuance 14 [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Weighted average grant date fair value | $ / shares                   $ 0.70    
Number of employees, options granted | employee                   4    
Options granted | shares                   167,500    
Percent of shares vested on first anniversary of grant date                   25.00%    
Monthly installments in which options vest, after initial vesting Anniversary | item                   36    
Volatility rate                   114.00%    
Call option value, price per share | $ / shares                   $ 0.59    
Call option value | $                   $ 98,825    
Stock Option Issuance 15 [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Number of employees, options granted | employee                 1      
Number of options vesting per month | shares                 300,000      
Number of options vested upon four-year cliff | shares                 100,000      
Options, cliff period                     4 years  
Options granted | shares                 500,000      
Options to purchase, expected to vest | shares                 0.70      
Monthly installments in which options vest | item                 48      
Volatility rate                 114.00%      
Call option value, price per share | $ / shares                 $ 0.59      
Call option value | $                 $ 295,000      
Stock Option Issuance 15 [Member] | Vesting Scenario 1 [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Annual Revenue, Benchmark | $                 13,000,000      
Stock Option Issuance 15 [Member] | Vesting Scenario 2 [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Annual Revenue, Benchmark | $                 $ 22,000,000      
Stock Option Issuance 16 [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Weighted average grant date fair value | $ / shares               $ 0.70        
Number of employees, options granted | employee               9        
Options granted | shares               258,000        
Percent of shares vested on first anniversary of grant date               25.00%        
Monthly installments in which options vest, after initial vesting Anniversary | item               36        
Volatility rate               114.00%        
Call option value, price per share | $ / shares               $ 0.59        
Call option value | $               $ 152,220        
Stock Option Issuance 17 [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Weighted average grant date fair value | $ / shares             $ 0.75          
Number of employees, options granted | item             4          
Options granted | shares             695,000          
Percent of shares vested on first anniversary of grant date             25.00%          
Monthly installments in which options vest, after initial vesting Anniversary | item             36          
Volatility rate             114.00%          
Call option value, price per share | $ / shares             $ 0.63          
Call option value | $             $ 440,573          
Stock Option Issuance 18 [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Weighted average grant date fair value | $ / shares           $ 0.70            
Number of employees, options granted | employee           3            
Options granted | shares           150,000            
Percent of shares vested on first anniversary of grant date           25.00%            
Monthly installments in which options vest, after initial vesting Anniversary | item           36            
Volatility rate           114.00%            
Call option value, price per share | $ / shares           $ 0.59            
Call option value | $           $ 89,048