EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Employee benefit plan
Employer match of participants' contributions of next 2% of eligible compensation (as a percent)	50.00%
Percentage of eligible compensation, matched 50% by employer	2.00%
Expenses under the plan	$ 144	$ 314
Maximum
Employee benefit plan
Employer match of participants' contributions not exceeding 3 percent of compensation (as a percent)	100.00%
Percentage of eligible compensation, matched 100% by employer	3.00%