Annual report pursuant to Section 13 and 15(d)

Stock-based Plans and Stock-based Compensation (Stock Option Activitiy) (Details)

v3.8.0.1
Stock-based Plans and Stock-based Compensation (Stock Option Activitiy) (Details) - USD ($)
 12 Months Ended
Nov. 30, 2017
Aug. 14, 2017
Jun. 28, 2017
May 15, 2017
Mar. 23, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Granted 285,000 165,000 150,000 2,105,000 322,500      
Stock Options [Member]                
Outstanding at Beginning of Period           5,757,880 5,043,228  
Granted           3,027,500 1,771,500  
Exercised           (152,085)    
Forfeit/canceled           (1,451,053) (577,817)  
Expired           (363,294) (479,031)  
Outstanding at End of Period           6,818,948 5,757,880 5,043,228
Expected to vest at End of Period           6,818,948    
Exercisable at End of Period           2,894,853    
Unrecognized expense at End of Period           $ 2,080,959    
Weighted Average Exercise Price Per Share                
Outstanding at Beginning of Period           $ 1.37 $ 1.37  
Granted           0.69 0.72  
Exercised           0.54    
Forfeit/canceled           0.70 1.01  
Expired           1.10 1.73  
Outstanding at End of Period           1.07 $ 1.37 $ 1.37
Vested           1.07    
Exercisable at end of period           $ 1.49    
Weighted Average Remaining Contractual Life (Years)                
Outstanding, Weighted Average Remaining Contractual Term (Years)           7 years 11 months 5 days 8 years 1 month 13 days 8 years 1 month 13 days
Expected, Weighted Average Remaining Contractual Term (Years)           7 years 11 months 5 days    
Exercisable, Weighted Average Remaining Contractual Term (Years)           6 years 5 months 19 days    
Aggregate Intrinsic value                
Aggregate Intrinsic Value, Outstanding           $ 1,945,356 $ 209,690 $ 209,690
Aggregate Intrinsic Value, Exercised           55,574    
Expected to vest at End of Period           1,945,356    
Exercisable at End of Period           $ 185,184