Segment Information (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)
Segment information
Number of reportable segments \| segment	2
Revenue	$ 113,031	$ 103,979
Gross Profit	70,508	64,778
Income/(loss) before income taxes	12,333	9,612
Depreciation and amortization	10,485	10,021
Capital expenditures	6,984	5,334
Operating segments \| Healthcare
Segment information
Revenue	95,707	88,009
Gross Profit	64,424	59,864
Income/(loss) before income taxes	29,876	29,608
Depreciation and amortization	8,435	8,291
Capital expenditures	6,211	4,442
Operating segments \| Research
Segment information
Revenue	13,820	12,964
Gross Profit	5,675	4,334
Income/(loss) before income taxes	2,043	764
Depreciation and amortization	1,066	928
Capital expenditures	391	482
Corporate and Other
Segment information
Revenue	3,504	3,006
Gross Profit	409	580
Income/(loss) before income taxes	(19,586)	(20,760)
Depreciation and amortization	984	802
Capital expenditures	$ 382	$ 410

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