Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Summary of Segment Information

The following table summarizes segment information for the six month periods ended June 30, 2018 and 2017, respectively (in thousands).   

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017 (as adjusted)			2018		2017 (as adjusted)
Net revenues:
Clinical Services	$	59,540		$	55,547		$	116,511	$	108,455
Pharma Services	8,206			6,717			14,658		11,238
Total Revenue	$	67,746		$	62,264		$	131,169	$	119,693
Cost of revenue:
Clinical Services	$	32,035		$	30,997		$	63,076	$	61,704
Pharma Services	5,181			3,915			10,260		7,688
Total Cost of Revenue	$	37,216		$	34,912		$	73,336	$	69,392
Gross Profit:
Clinical Services	$	27,505		$	24,550		$	53,435	$	46,751
Pharma Services	3,025			2,802			4,398		3,550
Total Gross Profit	$	30,530		$	27,352		$	57,833	$	50,301
Operating expenses:
General and administrative	$	20,983		$	18,432		$	38,050	$	35,450
Research and development	1,073			947			2,029		1,809
Sales and marketing	7,680			6,132			14,455		11,779
Total operating expenses	29,736			25,511			54,534		49,038
Income from Operations	794			1,841			3,299		1,263
Interest expense, net	1,407			1,411			2,892		2,775
Other expense	124			—			62		—
Income (loss) before taxes	(737		)	430			345		(1,512		)
Income tax (benefit) expense	(357		)	(53		)	81		(832		)
Net Income (Loss)	$	(380	)	$	483		$	264	$	(680	)