FAIR VALUE MEASUREMENTS - Financial Instrument that were not Measured at Fair Value (Details) - Fair Value, Inputs, Level 2 [Member] - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Second Lien Term Loan, Net [Member] | Reported Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Carrying Amount	$ 0	$ 28,948
Second Lien Term Loan, Net [Member] | Estimate of Fair Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Fair Value	0	30,600
Term Loan, Net [Member] | Reported Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Carrying Amount	39,593	0
Term Loan, Net [Member] | Estimate of Fair Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Fair Value	39,593	0
Convertible Notes, Net [Member] | Reported Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Carrying Amount	19,658	18,993
Convertible Notes, Net [Member] | Estimate of Fair Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Fair Value	28,500	23,250
Senior Secured Asset-Based Loan [Member] | Reported Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Carrying Amount	0	8,000
Senior Secured Asset-Based Loan [Member] | Estimate of Fair Value Measurement [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Financial Liabilities, Fair Value	$ 0	$ 8,000