Annual report pursuant to Section 13 and 15(d)

Debt Agreement (Details)

v3.8.0.1
Debt Agreement (Details) - USD ($)
12 Months Ended
Dec. 04, 2015
Sep. 05, 2014
Nov. 30, 2017
Nov. 30, 2016
Nov. 30, 2015
Debt Instrument [Line Items]          
Interest expense     $ 505,872 $ 588,656 $ 15,157
(Payments to) Proceeds from line of credit     (1,261,530) 3,277,885 $ 0
Line of credit     2,016,355 $ 3,277,885  
Line of Credit          
Debt Instrument [Line Items]          
Repayments of debt $ 3,721,583        
Face amount of debt 3,700,000        
Interest expense 21,583        
Capital Preservation Solutions, LLC          
Debt Instrument [Line Items]          
Borrowing base, percent of accounts receivable   80.00%      
Borrowing base, percent of inventory   50.00%      
Number of common stock issued upon exercise of warrant (shares)   1,892,744      
Exercise period   5 years      
Exercise price of warrants (usd per share)   $ 3.17      
Capital Preservation Solutions, LLC | Additional Paid-in Capital          
Debt Instrument [Line Items]          
Fair value of warrant issued   $ 1,456,400      
Capital Preservation Solutions, LLC | Deferred Financing Fees          
Debt Instrument [Line Items]          
Fair value of warrant issued   1,213,667      
Capital Preservation Solutions, LLC | Debt Discount          
Debt Instrument [Line Items]          
Fair value of warrant issued   $ 242,733      
Capital Preservation Solutions, LLC | Common stock, $.01 par, authorized 15,000,000 shares, issued and outstanding 6,038,982 and 6,038,982 shares, respectively          
Debt Instrument [Line Items]          
Shares owned by entity (shares)   19,958      
Capital Preservation Solutions, LLC | Line of Credit          
Debt Instrument [Line Items]          
Borrowing capacity   $ 5,000,000      
Stated interest rate   6.00%      
Capital Preservation Solutions, LLC | Loans Payable          
Debt Instrument [Line Items]          
Face amount of debt   $ 1,000,000      
Stated interest rate   6.00%      
Revolving Credit Facility          
Debt Instrument [Line Items]          
Borrowing capacity $ 5,500,000        
Interest rate, effective percentage 6.21%        
Term 3 years        
Borrowing base, percent of accounts receivable 85.00%        
Borrowing base, percent of inventory 65.00%        
Covenant compliance, minimum coverage ratio 100.00%        
Borrowings outstanding $ 4,100,000        
(Payments to) Proceeds from line of credit $ 46,032        
Line of credit     $ 2,016,355    
LIBOR | Revolving Credit Facility          
Debt Instrument [Line Items]          
Basis spread on variable rate 6.00%