INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
Cash paid for income taxes	$ 55	$ 272	$ 84
Tax Years 2018 Through 2022
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	98,800
Tax Years 2024 Through 2025
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	5,500
Tax Year 2027
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	500
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	104,800
Alternative Minimum Tax Credit Carryforward | Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	400
Research Tax Credit Carryforward | Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 400