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Debt - Schedule of Outstanding Borrowings (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Long term debt $ 5,821,000 $ 5,330,000
Short-term portion (5,821,000) (5,330,000)
Total long-term debt, net 0 0
Line of Credit [Member] | 2016 Loan and Security Agreement [Member]    
Debt Instrument [Line Items]    
Long term debt 3,603,000  
Line of Credit [Member] | 2013 Loan and Security Agreement [Member]    
Debt Instrument [Line Items]    
Long term debt   3,278,000
Term Loan [Member] | Credit Agreement [Member]    
Debt Instrument [Line Items]    
Long term debt 3,676,000 5,000,000
Discount on Term Loan (1,122,000) (2,785,000)
Unamortized debt issuance costs related to Term Loan $ (336,000) $ (163,000)