Annual report pursuant to Section 13 and 15(d)

Restructuring (Details)

v3.3.1.900
Restructuring (Details)
12 Months Ended
Nov. 30, 2015
USD ($)
position
Nov. 30, 2014
USD ($)
position
Nov. 30, 2013
USD ($)
Restructuring Cost and Reserve [Line Items]      
Restructuring cost $ 2,289,406 $ 2,738,570 $ 0
Current restructuring reserve 1,256,781 1,043,897  
Noncurrent restructuring reserve $ 420,000 $ 0  
2014 Restructuring Plan      
Restructuring Cost and Reserve [Line Items]      
Number of positions | position 20 37  
Restructuring cost $ 2,289,406    
Restructuring reserve 1,676,781    
Current restructuring reserve 1,256,781    
Noncurrent restructuring reserve 420,000    
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