Segment Information (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Summary of Net Revenue by Geographic Location

Net revenue by geographic location based on the location of customers was as follows (in thousands):  

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
United States	$	5,898	$	7,164	$	12,014	$	12,857
International		2,747		4,990		6,957		9,317
	$	8,645	$	12,154	$	18,971	$	22,174

Summary of Property, Plant and Equipment by Geographic Location

Property, plant, and equipment by geographic location was as follows (in thousands):

	June 30,		December 31,
	2019		2018
United States	$	1,290	$	1,673
International		295		302
	$	1,585	$	1,975