ACCRUED LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2016

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of December 31, 2015 and March 31, 2016 (in thousands):

	December 31, 2015		March 31, 2016
Accrued payroll and employee benefits	$	860	$	1,013
Accrued property taxes	721		357
Accrued purchases	300		1,274
Other	3,535		4,017
Total accrued liabilities	$	5,416	$	6,661