Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2014

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities at September 30, 2014 and December 31, 2013 consisted of the following:

	September 30, 2014		December 31, 2013
Accrued salaries, wages and benefits	$	5,539	$	3,604
Accrual for self-insurance liabilities	7,579		5,787
Property taxes	1,899		584
Sales taxes	419		481
Other accrued expenses	779		959
	$	16,215	$	11,415