Revenue (Tables)

12 Months Ended

Dec. 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):

	Years Ended December 31,
U.S.	2021		2020		2019
Product	$	31,769	$	8,428	$	41,985
Service	10,399		7,739		4,251
Total U.S. revenue	$	42,168	$	16,167	$	46,236
Outside of U.S. ("OUS")
Product	$	20,096	$	34,314	$	37,519
Service	7,380		6,061		3,552
Distribution rights	475		475		475
Total OUS revenue	$	27,951	$	40,850	$	41,546
Total
Product	$	51,865	$	42,742	$	79,504
Service	17,779		13,800		7,803
Distribution rights	475		475		475
Total revenue	$	70,119	$	57,017	$	87,782