Inventories And Deferred Preservation Costs (Tables)

6 Months Ended

Jun. 30, 2018

Inventories And Deferred Preservation Costs [Abstract]

Schedule Of Inventories

	June 30,		December 31,
	2018		2017
Raw materials and supplies	$	16,054	$	16,328
Work-in-process		4,447		5,504
Finished goods		25,285		24,852
Total inventories	$	45,786	$	46,684

Schedule Of Deferred Preservation Costs

	June 30,		December 31,
	2018		2017
Cardiac tissues	$	16,487	$	16,988
Vascular tissues		18,046		18,683
Total deferred preservation costs	$	34,533	$	35,671