Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue Recognition [Abstract]

Disaggregation Of Revenue

	Three Months Ended
	March 31,
		2022		2021
	(Unaudited)
Domestic hospitals	$	36,993	$	36,229
International hospitals		28,414		26,128
International distributors		11,064		8,642
CardioGenesis cardiac laser therapy		742		88
Total sources of revenue	$	77,213	$	71,087