Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Schedule of Revenue Disaggregated by Types and Geography

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

	Three Months Ended March 31,
U.S.	2018		2017
Product	$	13,535	$	—
Service		396		879
Total U.S. revenue	$	13,931	$	879
Outside of U.S. ("OUS")
Product	$	11,844	$	—
Service		296		229
Distribution rights		119		119
Total OUS revenue	$	12,259	$	348
Total
Product	$	25,379	$	—
Service		692		1,108
Distribution rights		119		119
Total revenue	$	26,190	$	1,227