Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities at September 30, 2017 and December 31, 2016 consisted of the following:

	September 30, 2017		December 31, 2016
Accrued salaries, wages and benefits	$	10,544	$	10,818
Accrual for insurance liabilities	4,826		5,223
Property taxes	1,354		1,615
Sales taxes	1,561		1,722
Interest	10		19
Other accrued expenses	112		549
Total accrued liabilities	$	18,407	$	19,946