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Lines of Credit and Long-Term Debt - Term Loans and Capital Leases (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Term Loans and Capital Lease Obligations    
Capital leases $ 1,746 $ 853
Total long-term debt, net 1,746 13,956
Less current portion, net (674) (13,526)
Total long-term debt, less current portion, net $ 1,072 430
Tranche A Term Loan    
Term Loans and Capital Lease Obligations    
Term loans   51
Tranche B Term Loan    
Term Loans and Capital Lease Obligations    
Term loans   28
April 2014 Eastward Loan    
Term Loans and Capital Lease Obligations    
Present value of payments   2,260
Unamortized finance costs   (19)
Less discount on debt   (101)
Term loans   2,140
December 2014 Eastward Loan    
Term Loans and Capital Lease Obligations    
Present value of payments   12,000
Unamortized finance costs   (86)
Less discount on debt   (1,030)
Term loans   $ 10,884