Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2015

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities at June 30, 2015 and December 31, 2014 consisted of the following:

	June 30, 2015		December 31, 2014
Accrued salaries, wages and benefits	$	4,904	$	4,925
Accrual for self-insurance liabilities	7,848		7,490
Property taxes	1,313		2,146
Sales taxes	681		676
Other accrued expenses	111		566
	$	14,857	$	15,803