LONG-TERM DEBT AND CREDIT AGREEMENT Debt Disclosurre (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	Mar. 14, 2017	Feb. 26, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Jun. 15, 2015
Term Loan, net of unamortized debt issuance costs of $3,444 at June 30, 2017 and $4,042 at December 31, 2016			$ 90,306		$ 90,306		$ 92,208
Notes, net of unamortized original issue discount and debt issuance costs of $20,449 at June 30, 2017 and $23,413 at December 31, 2016, respectively			104,551		104,551		101,587
Total debt			194,857		194,857		193,795
Less: current portion			5,000		5,000		5,000
Total long-term debt			189,857		189,857		188,795
Line of Credit, Current			0		0
Interest Expense			3,918	$ 5,159	8,764	$ 9,342
Convertible Debt [Member]
Long-term Debt, Gross								$ 125,000
Debt Instrument, Interest Rate, Stated Percentage								2.00%
Interest Expense					4,200	4,000
Convertible Notes unamortized issue discount and debt issuance costs			20,449		20,449		23,413
Cerberus Business Finance LLC [Member]
Debt Instrument, Collateral		The Company granted a security interest on substantially all of its assets to secure the obligations under the Credit Facility and the Term Loan.
Debt Instrument, Covenant Description	The Financing Agreement contains customary representations and warranties, covenants, mandatory prepayments, and events of default under which the Company’s payment obligations may be accelerated. On March 14, 2017 (the “Effective Date”), the Company entered into an amendment (the “Amendment”) to the Financing Agreement. The Amendment modified the covenant requiring the Company to maintain a Leverage Ratio (defined to mean the ratio of (a) total funded indebtedness to (b) consolidated EBITDA) such that following the Effective Date, the Company is required to maintain a Leverage Ratio of no greater than 3.50:1.00 for the four quarters ending March 31, 2017, 4.20:1.00 for the four quarters ending June 30, 2017, 4.75:1.00 for the four quarters ending September 30, 2017, 4.80:1.00 for the four quarters ending December 31, 2017, 4:40:1.00 for each of the four quarters ending March 31, 2018 through March 31, 2019, respectively, and thereafter declining over time from 3.50:1.00 to 2.50:1.00.
Line of Credit Facility, Interest Rate Description	Following the Effective Date, interest accrues on outstanding borrowings under the credit facility and the term loan (each as defined in the Financing Agreement) at a rate of either the LIBOR Rate (as defined in the Financing Agreement) plus 7.25% or a Reference Rate (as defined in the Financing Agreement) plus 6.25%, at the option of the Company.
Cerberus Business Finance LLC [Member] | Long-term Debt [Member]
Unamortized Debt Issuance Expense			$ 3,444		3,444		$ 4,042
Total long-term debt		$ 100,000
Debt Instrument, Payment Terms		The Company may prepay all or any portion of the Term Loan prior to its stated maturity, subject to the payment of certain fees based on the amount repaid. The Term Loan requires quarterly principal payments of $1.25 million, which commenced in June 2016. The Term Loan also requires the Company to use 50% of excess cash flow, as defined in the Financing Agreement, to repay outstanding principal of the loans under the Financing Agreement.
Interest Expense, Long-term Debt					$ 3,900	$ 2,700
Cerberus Business Finance LLC [Member] | Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 5,000