Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Option Activity (Details)

v3.5.0.2
Stock-based Compensation - Option Activity (Details) - USD ($)
3 Months Ended 12 Months Ended
Aug. 31, 2016
May 31, 2016
Feb. 29, 2016
Nov. 30, 2015
Nov. 30, 2014
Options, Outstanding [Roll Forward]          
Beginning Balance, Outstanding (shares) 404,000 404,000 104,000 137,000  
Granted (shares) 205,000 0 300,000 185,000  
Exercised (shares) 0 0 0 0  
Cancelled or Forfeited (shares) 49,000 0 0 218,000  
Ending Balance, Outstanding (shares) 560,000 404,000 404,000 104,000 137,000
Weighted-Average Exercise Price          
Beginning Balance, Outstanding (usd per share) $ 3.23 $ 3.23 $ 3.42 $ 3.40  
Granted (usd per share) 3.35   3.16 3.46  
Exercised (usd per share)     0 0  
Cancelled or Forfeited (usd per share) 3.48   0 3.45  
Ending Balance, Outstanding (usd per share) $ 3.26 $ 3.23 $ 3.23 $ 3.42 $ 3.40
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]          
Weighted Average Remaining Term, Ending Balance Outstanding 9 years 4 months 24 days 9 years 9 years 2 months 12 days 7 years 7 months 6 days 5 years 4 months 24 days
Aggregate Intrinsic Value, Beginning Balance, Outstanding   $ 0 $ 0 $ 0  
Aggregate Intrinsic Value, Granted     0    
Aggregate Intrinsic Value, Exercised     0 0  
Aggregate Intrinsic Value, Canceled or Forfeited     0 0  
Aggregate Intrinsic Value, Ending Balance, Outstanding     $ 0 $ 0 $ 0