Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation - Option Activity (Details)

v3.3.0.814
Stock-based compensation - Option Activity (Details) - USD ($)
3 Months Ended 12 Months Ended
Jan. 05, 2015
Aug. 31, 2015
May. 31, 2015
Feb. 28, 2015
Nov. 30, 2014
Nov. 30, 2013
Options, Outstanding [Roll Forward]            
Beginning Balance, Outstanding (shares)   312,000 312,000 137,000 0  
Granted (shares)   0 0 175,000 137,000  
Exercised (shares)   0 0 0 0  
Cancelled or Forfeited (shares)   0 0 0 0  
Ending Balance, Outstanding (shares) 175,000 312,000 312,000 312,000 137,000 0
Weighted-Average Exercise Price            
Beginning Balance, Outstanding (usd per share)   $ 3.45 $ 3.45 $ 3.40 $ 0.00  
Granted (usd per share) $ 3.48 0.00 0.00 3.48 3.40  
Exercised (usd per share)   0.00 0.00 0.00 0.00  
Cancelled or Forfeited (usd per share)   0.00 0.00 0.00 0.00  
Ending Balance, Outstanding (usd per share)   $ 3.45 $ 3.45 $ 3.45 $ 3.40 $ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]            
Weighted Average Remaining Term, Ending Balance Outstanding   7 years 4 months 24 days 7 years 4 months 24 days 7 years 7 months 24 days 5 years 5 months 12 days 0 years
Weighted Average Remaining Term, Granted   0 years 0 years 9 years 7 months 24 days 5 years 5 months 12 days  
Aggregate Intrinsic Value, Beginning Balance, Outstanding   $ 0 $ 0 $ 0 $ 0  
Aggregate Intrinsic Value, Granted   0 0 0 0  
Aggregate Intrinsic Value, Exercised   0 0 0 0  
Aggregate Intrinsic Value, Canceled or Forfeited   0 0 0 0  
Aggregate Intrinsic Value, Ending Balance, Outstanding   $ 0 $ 0 $ 0 $ 0 $ 0