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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Depreciation Expense Excluded From Each Line Item in Consolidated Statements of Operations

The following table summarizes depreciation expense excluded from each line item in our condensed consolidated statements of operations (in thousands):

		Three Months Ended June 30,								Six Months Ended June 30,
		2018				2017				2018				2017
Cost of revenues		$	1,639			$	1,485			$	3,246			$	2,942
Operating expense		6,501				5,544				13,405				11,178
General and administrative expense		901				650				2,048				1,371

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