Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Information [Abstract]

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

	Three Months Ended
	March 31,
	2018		2017
Revenues:
Medical devices	$	43,598	$	27,396
Preservation services		18,350		17,663
Total revenues		61,948		45,059
Cost of products and preservation services:
Medical devices		14,157		8,017
Preservation services		8,563		7,530
Total cost of products and preservation services		22,720		15,547
Gross margin:
Medical devices		29,441		19,379
Preservation services		9,787		10,133
Total gross margin	$	39,228	$	29,512

Summary Of Net Revenues By Product And Service

	Three Months Ended
	March 31,
	2018		2017
Products:
BioGlue and BioFoam	$	15,970	$	15,681
JOTEC		14,460		--
On-X		10,309		8,860
CardioGenesis cardiac laser therapy		1,346		1,585
PerClot		972		819
PhotoFix		541		451
Total products		43,598		27,396
Preservation services:
Cardiac tissue		8,103		7,502
Vascular tissue		10,247		10,161
Total preservation services		18,350		17,663
Total revenues	$	61,948	$	45,059