REVENUE (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2021		2020
U.S.
Product	$	5,067	$	1,618
Service		2,367		1,466
Total U.S. revenue	$	7,434	$	3,084
Outside of U.S. ("OUS")
Product	$	6,312	$	9,852
Service		1,660		1,195
Distribution rights		119		119
Total OUS revenue	$	8,091	$	11,166
Total
Product	$	11,379	$	11,470
Service		4,027		2,661
Distribution rights		119		119
Total revenue	$	15,525	$	14,250