Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2017

Payables and Accruals [Abstract]

Schedule of accrued liabilities

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

	March 31, 2017		December 31, 2016
Accrued salaries, wages and benefits	$	7,639	$	10,818
Accrual for insurance liabilities	5,694		5,223
Property taxes	499		1,615
Sales taxes	1,298		1,722
Interest	—		19
Other accrued expenses	485		549
Total accrued liabilities	$	15,615	$	19,946