Segment And Geographic Information (Tables)

12 Months Ended

Dec. 31, 2020

Segment And Geographic Information [Abstract]

Revenues, Cost Of Products And Services, And Gross Margins For Operating Segments

	2020		2019		2018
Revenues:
Medical devices	$	179,299	$	197,246	$	187,394
Preservation services		73,928		78,976		75,447
Total revenues		253,227		276,222		262,841
Cost of products and preservation services:
Medical devices		50,128		55,022		53,772
Preservation services		35,315		38,187		36,085
Total cost of products and preservation services		85,443		93,209		89,857
Gross margin:
Medical devices		129,171		142,224		133,622
Preservation services		38,613		40,789		39,362
Total gross margin	$	167,784	$	183,013	$	172,984

Summary Of Net Revenues By Product And Service

	2020		2019		2018
Products:
BioGlue	$	62,068	$	68,611	$	66,660
Aortic stents and stent grafts		61,663		64,974		63,341
On-X		48,053		50,096		44,832
PhotoFix		4,169		3,754		2,577
PerClot		2,882		3,795		3,767
CardioGenesis cardiac laser therapy		464		6,016		6,217
Total products		179,299		197,246		187,394
Preservation services:
Cardiac tissue		37,893		40,879		35,683
Vascular tissue		35,852		38,097		39,764
NeoPatch		183		--		--
Total preservation services		73,928		78,976		75,447
Total revenues	$	253,227	$	276,222	$	262,841

Schedule Of Net Revenues By Geographic Location

	2020		2019		2018
U.S.	$	138,274	$	150,553	$	144,651
International		114,953		125,669		118,190
Total revenues	$	253,227	$	276,222	$	262,841