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Debt - Summary of Outstanding Borrowings (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Capital Leases $ 174 $ 0
Total debt 19,753 5,821
Short-term portion (12,030) (5,821)
Total long-term debt 7,723 0
Line of Credit | 2016 Credit and Security Agreement    
Debt Instrument [Line Items]    
Long-term debt 7,897 3,603
Line of Credit | Seasonal Facility    
Debt Instrument [Line Items]    
Long-term debt 2,000 0
Term Loans | A&R Credit Agreement    
Debt Instrument [Line Items]    
Long-term debt 8,500 3,676
Discount on Term Loans (714) (1,122)
Unamortized debt issuance costs related to Term Loans (196) (336)
Subordinated Debt | Subordinated Promissory Note    
Debt Instrument [Line Items]    
Long-term debt $ 2,092 $ 0