ACCRUED LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of December 31, 2014 and 2015 (in thousands):

	2014		2015
Accrued payroll and employee benefits	$	1,322	$	1,626
Accrued property taxes	593		594
Other	3,215		3,196
Total accrued liabilities	$	5,130	$	5,416