REVENUE (Tables)

6 Months Ended

Jun. 30, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Revenue Disaggregated by Types and Geography

The following table presents revenue disaggregated by type and geography (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
U.S.
Product	$	10,140	$	5,685	$	15,207	$	7,303
Service		2,335		2,029		4,702		3,495
Total U.S. revenue	$	12,475	$	7,714	$	19,909	$	10,798
Outside of U.S. ("OUS")
Product	$	777	$	4,930	$	7,089	$	14,782
Service		1,659		1,461		3,319		2,656
Distribution rights		119		119		238		238
Total OUS revenue	$	2,555	$	6,510	$	10,646	$	17,676
Total
Product	$	10,917	$	10,615	$	22,296	$	22,085
Service		3,994		3,490		8,021		6,151
Distribution rights		119		119		238		238
Total revenue	$	15,030	$	14,224	$	30,555	$	28,474