Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT, CAPITAL LEASE AND COMMON STOCK WARRANT LIABILITY (Details)

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LONG-TERM DEBT, CAPITAL LEASE AND COMMON STOCK WARRANT LIABILITY (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Outstanding Principal $ 97,750 $ 98,312
Unamortized Discount (429) (469)
Unamortized Debt Issuance Costs (1,731) (1,909)
Long-term Debt, Net 95,590 95,934
Outstanding principal, current maturities (1,688) (1,688)
Unamortized discount, current 0 0
Unamortized debt issuance costs, current 0 0
Long-term debt, net, current maturities (1,688) (1,688)
Outstanding principal, excluding current maturities 96,062 96,624
Unamortized discount, noncurrent (429) (469)
Unamortized debt issuance costs, noncurrent (1,731) (1,909)
Long term debt, net, excluding current maturities 93,902 94,246
Line of Credit | First Lien Credit Agreement | Term Loan    
Debt Instrument [Line Items]    
Outstanding Principal 42,750 43,312
Unamortized Discount 0 0
Unamortized Debt Issuance Costs (498) (561)
Long-term Debt, Net 42,252 42,751
Line of Credit | First Lien Credit Agreement | Revolving Loan    
Debt Instrument [Line Items]    
Outstanding Principal 0 0
Unamortized Discount 0 0
Unamortized Debt Issuance Costs 0 0
Long-term Debt, Net 0 0
Line of Credit | Second Lien Credit Agreement | Term Loan    
Debt Instrument [Line Items]    
Outstanding Principal 55,000 55,000
Unamortized Discount (429) (469)
Unamortized Debt Issuance Costs (1,233) (1,348)
Long-term Debt, Net $ 53,338 $ 53,183