Disposition of the Hospital Products - Unaudited Pro Forma Condensed Combined Statement of Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Product sales	$ 0	$ 10,091	$ 0	$ 22,334
Total operating expense	21,936	(30,178)	36,747	(11,438)
Operating income (loss)	(21,936)	40,269	(36,747)	33,772
Total income before income taxes	(23,346)	36,166	(39,398)	25,791
Cost of products	0	3,285	0	5,742
Research and development expenses	6,762	4,057	10,614	9,587
Selling, general and administrative expenses	15,174	7,095	26,186	15,008
Intangible asset amortization	0	203	0	406
Changes in fair value of contingent consideration	0	918	0	3,396
Other expense - changes in fair value of contingent consideration payable	$ 0	$ 125	$ 0	435
Pro Forma
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Product sales				159
Total operating expense				(19,963)
Operating income (loss)				20,122
Total income before income taxes				12,576
As Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Product sales				22,334
Total operating expense				(11,438)
Operating income (loss)				33,772
Total income before income taxes				25,791
Pro Forma Adjustments | Pro Forma
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Product sales				(22,175)
Total operating expense				(8,525)
Operating income (loss)				(13,650)
Total income before income taxes				(13,215)
Pro Forma Adjustments | Pro Forma | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of products				3,540
Research and development expenses				407
Selling, general and administrative expenses				776
Intangible asset amortization				406
Changes in fair value of contingent consideration				3,396
Other expense - changes in fair value of contingent consideration payable				$ 435