Discontinued Operations - Key Financial Results and Assets and Liabilities Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
(Loss) income from discontinued operations, net of tax	$ 0	$ 619	$ 0	$ (1,486)
Hemostasis Business | Discontinued operations, disposed of by sale
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net product revenues		(12)		50
Cost of product revenue		(589)		1,704
Research and development		(27)		119
Selling, general and administrative		(15)		678
Total operating expenses		(631)		2,501
Income (loss) from operations		619		(2,451)
Gain from sale of business		0		1,004
Other expense, net		0		(39)
Income (loss) from discontinued operations before income taxes		619		(1,486)
Benefit for income taxes		0		0
(Loss) income from discontinued operations, net of tax		$ 619		$ (1,486)