Segment and Geographic Information

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Segment and Geographic Information

10. Segment and Geographic Information

The following table represents the Company’s product revenue based on the location to which the product is shipped:

	Three Months Ended March 31,
	2019		2018
	(in thousands)
United States	$	3,636	$	897
Germany		643		254
Rest of Europe		2,736		129
All other countries		254		42
Product revenue	$	7,269	$	1,322

As of March 31, 2019 and December 31, 2018, the Company’s long-lived assets are all held in the United States with the exception of certain equipment on loan to customers held internationally, which was not material as of each period end.