ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accrued payroll and employee benefits	$ 1,626	$ 1,322
Accrued property taxes	594	593
Other	3,196	3,215
Accrued liabilities	$ 5,416	$ 5,130