STOCK-BASED COMPENSATION Defined contribution plan and non-cash employer-matching contributions (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Discolusre of Defined Contribution Plan Related Costs, Share-based Payments [Abstract]
Defined contribution pan, maximum annual contribution per employee percent			15.00%
Defined contribution plan, employer matching contribution percent			3.00%
Expense recognized for the 401(k) plan	$ 57	$ 55	$ 73	$ 127
Number of shares of the Company's common stock issued (in thousands)	0	116	0	116
Market value per share of the Company's common stock on contribution date (in dollars)	$ 0.00	$ 2.71	$ 0.00	$ 2.71
Non-cash contribution made for employer matching liability	$ 0	$ 314	$ 0	$ 314
Other Postretirement Benefits Payments	162	0	162	0
Cash and Noncash pension and other postretirement contributions	$ 162	$ 314	$ 162	$ 314