Depreciation and Amortization

3 Months Ended

Mar. 31, 2014

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Depreciation and Amortization

4. Depreciation and Amortization

Depreciation and amortization expense for property and equipment and intangible assets for the three months ended March 31, 2014 and 2013 was as follows (in thousands):

	Three Months Ended March 31,
	2014		2013
Operating expenses	$	4,732	$	4,551
Corporate general and administrative expenses		116		74
Total depreciation and amortization expense	$	4,848	$	4,625