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Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Unamortized deferred finance costs related to term loan $ (387) $ (509)
Total 24,896 31,922
Current portion [1] 4,559 6,427
Long-term debt 20,337 25,495
Xcel Term Loan [Member]    
Debt Instrument [Line Items]    
Term Loan 19,500 25,250
IM Seller Note [Member]    
Debt Instrument [Line Items]    
Seller Note 2,201 3,627
JR Seller [Member]    
Debt Instrument [Line Items]    
Contingent obligation 200 200
Ripka Seller Notes [Member]    
Debt Instrument [Line Items]    
Seller Note 532 504
CW Seller [Member]    
Debt Instrument [Line Items]    
Contingent obligation $ 2,850 $ 2,850
[1] The current portion of long-term debt as of September 30, 2017 consists of (a) $3.0 million related to the Xcel Term Loan, (b) $1.46 million related to the IM Seller Note, and (c) $100,000 related to the Ripka Earn-Out.