Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Option Activity (Details)

v3.7.0.1
Stock-based Compensation - Option Activity (Details) - USD ($)
 3 Months Ended 12 Months Ended
Feb. 28, 2017
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2014
Options, Outstanding [Roll Forward]        
Beginning Balance, Outstanding (shares) 564,000 104,000 137,000  
Granted (shares) 0 519,000 185,000  
Exercised (shares) 0 0 0  
Cancelled or Forfeited (shares) 0 59,000 218,000  
Ending Balance, Outstanding (shares) 564,000 564,000 104,000 137,000
Weighted-Average Exercise Price        
Beginning Balance, Outstanding (usd per share) $ 3.25 $ 3.41 $ 3.40  
Granted (usd per share)   3.23 3.46  
Exercised (usd per share)   0 0  
Cancelled or Forfeited (usd per share)   3.42 3.45  
Ending Balance, Outstanding (usd per share) $ 3.25 $ 3.25 $ 3.41 $ 3.40
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Weighted Average Remaining Term, Ending Balance Outstanding 5 years 7 months 6 days 5 years 9 months 18 days 7 years 10 months 24 days 5 years 8 months 12 days
Aggregate Intrinsic Value, Beginning Balance, Outstanding $ 0 $ 0 $ 0  
Aggregate Intrinsic Value, Exercised   0 0  
Aggregate Intrinsic Value, Granted   0    
Aggregate Intrinsic Value, Canceled or Forfeited   0 0  
Aggregate Intrinsic Value, Ending Balance, Outstanding   $ 0 $ 0 $ 0