Revenue (Tables)

9 Months Ended

Sep. 30, 2019

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 September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
U.S.
Product	$	6,107	$	6,187	$	28,394	$	25,775
Service		1,140		566		3,094		1,464
Total U.S. revenue	$	7,247	$	6,753	$	31,488	$	27,239
Outside of U.S. ("OUS")
Product	$	12,589	$	10,305	$	37,081	$	31,462
Service		908		490		2,388		1,242
Distribution rights		118		118		356		356
Total OUS revenue	$	13,615	$	10,913	$	39,825	$	33,060
Total
Product	$	18,696	$	16,492	$	65,475	$	57,237
Service		2,048		1,056		5,482		2,706
Distribution rights		118		118		356		356
Total revenue	$	20,862	$	17,666	$	71,313	$	60,299