Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

Revenue Recognition [Abstract]

Disaggregation Of Revenue

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
		2021		2020		2021		2020
	(Unaudited)				(Unaudited)
Domestic hospitals	$	36,129	$	36,249	$	111,291	$	102,813
International hospitals		25,458		20,764		79,219		56,638
International distributors		10,544		8,035		28,694		25,522
CardioGenesis cardiac laser therapy		76		83		238		358
Total sources of revenue	$	72,207	$	65,131	$	219,442	$	185,331