Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

Revenue Recognition [Abstract]

Disaggregation Of Revenue

	Three Months Ended				Six Months Ended
	June 30,				June 30,
		2021		2020		2021		2020
	(Unaudited)				(Unaudited)
Domestic hospitals	$	38,932	$	30,228	$	75,161	$	66,564
International hospitals		27,638		16,135		53,765		35,872
International distributors		9,504		7,244		18,146		17,489
CardioGenesis cardiac laser therapy		74		164		163		275
Total sources of revenue	$	76,148	$	53,771	$	147,235	$	120,200