Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Policies [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,
U.S.	2018		2017		2018		2017
Product	$	6,187	$	5,739	$	25,775	$	5,739
Service		566		388		1,464		1,579
Total U.S. revenue	$	6,753	$	6,127	$	27,239	$	7,318
Outside of U.S. ("OUS")
Product	$	10,305	$	5,619	$	31,462	$	5,619
Service		490		333		1,242		829
Distribution rights		118		118		356		356
Total OUS revenue	$	10,913	$	6,070	$	33,060	$	6,804
Total
Product	$	16,492	$	11,358	$	57,237	$	11,358
Service		1,056		721		2,706		2,408
Distribution rights		118		118		356		356
Total revenue	$	17,666	$	12,197	$	60,299	$	14,122