Depreciation and Amortization

6 Months Ended

Jun. 30, 2016

4.	Depreciation and Amortization

Depreciation and amortization expense for property and equipment and intangible assets for the three and six months ended June 30, 2016 and 2015 was as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Operating expenses	$	5,322	$	4,956	$	10,452	$	9,847
Corporate general and administrative expenses		115		108		230		204
Total depreciation and amortization expense	$	5,437	$	5,064	$	10,682	$	10,051