ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accrued payroll and employee benefits	$ 1,168	$ 860
Accrued property taxes	506	721
Accrued purchases	0	300
Other	3,553	3,535
Total accrued liabilities	$ 5,227	$ 5,416