Segment and Geographic Information

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Segment and Geographic Information

17. Segment and Geographic Information

The Company has one business activity, which is radiation therapy technology combined with magnetic resonance imaging, and operates in one reportable segment. The Company’s chief operating decision-maker, its chief executive officer, reviews its operating results on an aggregate basis for purposes of allocating resources and evaluating financial performance. Also, the Company does not have segment managers as the Company manages its operations as a single operating segment.

The following table sets forth revenue by geographic area based on the shipping address of the customers’ location (in thousands): 

	Year Ended December 31,
	2020		2019		2018
United States	$	16,167	$	46,236	$	34,231
Taiwan		10,710		—		4,680
France		7,025		12,235		5,812
United Kingdom		6,060		5,974		—
Germany		839		7,393		13,727
Rest of world		16,216		15,944		22,512
Total revenue	$	57,017	$	87,782	$	80,962

At December 31, 2020 and 2019, nearly all long-lived assets are located in the United States.