Inventories And Deferred Preservation Costs (Tables)

12 Months Ended

Dec. 31, 2020

Inventories And Deferred Preservation Costs [Abstract]

Schedule Of Inventories

	2020		2019
Raw materials and supplies	$	33,625	$	21,180
Work-in-process		6,318		5,127
Finished goods		33,095		26,764
Total inventories	$	73,038	$	53,071

Schedule Of Deferred Preservation Costs

	2020		2019
Cardiac tissues	$	17,374	$	15,365
Vascular tissues		19,172		17,186
Total deferred preservation costs	$	36,546	$	32,551