Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Option Activity (Details)

v3.8.0.1
Stock-based Compensation - Option Activity (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 28, 2018
Nov. 30, 2017
Nov. 30, 2016
Options, Outstanding [Roll Forward]      
Beginning Balance, Outstanding (shares) 871,500 564,000  
Granted (shares) 7,500 307,500  
Exercised (shares) 0 0  
Cancelled or Forfeited (shares) 82,500 0  
Ending Balance, Outstanding (shares) 796,500 871,500 564,000
Weighted-Average Exercise Price      
Beginning Balance, Outstanding (usd per share) $ 3.27 $ 3.25  
Granted (usd per share) 3.15 3.30  
Exercised (usd per share) 0    
Cancelled or Forfeited (usd per share) 3.35    
Ending Balance, Outstanding (usd per share) $ 3.26 $ 3.27 $ 3.25
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Weighted Average Remaining Term, Ending Balance Outstanding 6 years 6 years 5 years 9 months 18 days
Aggregate Intrinsic Value, Beginning Balance, Outstanding   $ 0  
Aggregate Intrinsic Value, Exercised $ 0    
Aggregate Intrinsic Value, Granted 0    
Aggregate Intrinsic Value, Canceled or Forfeited 0    
Aggregate Intrinsic Value, Ending Balance, Outstanding $ 0   $ 0