Segment and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Schedule of Revenue by Geographic Area

Revenue by geographic location, which is based on the product shipped to location, is summarized as follows:

	Three Months Ended September 30				Nine Months Ended September 30
	2020		2019		2020		2019
United States	$	7,784	$	10,118	$	22,339	$	31,337
International		12,896		16,036		29,845		47,215
Total revenue	$	20,680	$	26,154	$	52,184	$	78,552

Schedule of Revenue by Type

The following table presents revenue by type:

	Three Months Ended September 30				Nine Months Ended September 30
	2020		2019		2020		2019
Lease revenue	$	9,431	$	16,427	$	23,709	$	48,812
System revenue		7,503		7,105		17,758		21,188
Product revenue		2,631		1,167		7,136		4,117
Service revenue		1,115		1,455		3,581		4,435
Total revenue	$	20,680	$	26,154	$	52,184	$	78,552