Quarterly report pursuant to Section 13 or 15(d)

Debt Agreement (Details)

v3.7.0.1
Debt Agreement (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 04, 2015
May 31, 2017
May 31, 2016
May 31, 2017
May 31, 2016
Nov. 30, 2016
Debt Instrument [Line Items]            
Interest expense   $ 123,077 $ 197,216 $ 274,238 $ 341,543  
Line of credit   $ 3,530,239   $ 3,530,239   $ 3,277,885
Revolving Loan            
Debt Instrument [Line Items]            
Borrowing capacity $ 5,500,000          
Current interest rate 6.21%          
Term 3 years          
Restrictive covenants, percent of accounts receivable 85.00%          
Restrictive covenants, borrowing base, percent of inventory 65.00%          
Covenant compliance, minimum coverage ratio 100.00%          
LIBOR | Revolving Loan            
Debt Instrument [Line Items]            
Basis spread on variable rate 6.00%