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Debt - Credit Facilities (Details) - USD ($)
Dec. 22, 2011
Dec. 31, 2014
Debt Instrument [Line Items]    
Credit facility, maximum borrowing capacity $ 4,500,000.0  
Credit facility, available percentage of receivables 85.00%  
Stated interest rate 1.00%  
Percentage of inventory, lower of cost or market value    
Debt Instrument [Line Items]    
Credit facility, available threshold, percent 50.00%  
Inventory, maximum value    
Debt Instrument [Line Items]    
Credit facility, available threshold $ 250,000  
Borrowing on accounts receivable    
Debt Instrument [Line Items]    
Credit facility, interest rate 8.50%  
Borrowing on inventories    
Debt Instrument [Line Items]    
Credit facility, interest rate 10.00%  
Borrowing on overdrafts    
Debt Instrument [Line Items]    
Credit facility, interest rate 13.00%  
Right to terminate, notice required, period of time 60 days  
Revolving credit facility    
Debt Instrument [Line Items]    
Line of credit   $ 453,000