Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

For the three and six months ended June 30, 2022 and 2021 the sources of revenue were as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Domestic hospitals	$	39,508	$	38,932	$	76,501	$	75,161
International hospitals	27,235		27,638		55,649		53,765
International distributors	12,152		9,504		23,216		18,146
CardioGenesis cardiac laser therapy	1,445		74		2,187		163
Total sources of revenue	$	80,340	$	76,148	$	157,553	$	147,235