Annual report pursuant to Section 13 and 15(d)

Restructuring (Details)

v3.8.0.1
Restructuring (Details)
 12 Months Ended
Nov. 30, 2017
USD ($)
Nov. 30, 2016
USD ($)
position
Nov. 30, 2015
USD ($)
position
Nov. 30, 2014
position
Restructuring Cost and Reserve [Line Items]        
Restructuring cost $ 0 $ 0 $ 2,289,406  
2014 Restructuring Plan        
Restructuring Cost and Reserve [Line Items]        
Number of positions | position   12 20 37
Restructuring cost $ 0 $ 0    
Facility Closing | 2014 Restructuring Plan        
Restructuring Cost and Reserve [Line Items]        
Restructuring cost     $ 1,276,477  
Asset Impairment | 2014 Restructuring Plan        
Restructuring Cost and Reserve [Line Items]        
Restructuring cost     714,138  
Real Estate Commission | 2014 Restructuring Plan        
Restructuring Cost and Reserve [Line Items]        
Restructuring cost     155,245  
Fair Value of Rent Loss | 2014 Restructuring Plan        
Restructuring Cost and Reserve [Line Items]        
Restructuring cost     $ 407,094