Segment Reporting and Geographic Information

3 Months Ended

Mar. 28, 2020

Segment Reporting [Abstract]

Segment Reporting and Geographic Information

NOTE 16. Segment Reporting and Geographic Information

The Company and its subsidiaries currently operate in a single operating segment: the design, development, manufacture and support of high-performance process control defect inspection and metrology, advanced packaging lithography and process control software systems used by microelectronics device manufacturers. Therefore, the Company has one reportable segment. The Company’s chief operating decision maker is the Chief Executive Officer (the “CEO”). The CEO allocates resources and assesses performance of the business and other activities at the reportable segment level.

The following table lists the different sources of revenue:

	Three Months Ended
	March 28,				March 31,
	2020				2019
Systems and software		114,330	82	%		49,809	82	%
Parts		13,575	10	%		8,077	13	%
Services		12,023	8	%		3,006	5	%
Total revenue	$	139,928	100	%	$	60,892	100	%

The Company’s significant operations outside the United States include sales, service and application offices in Asia and Europe.  For geographical revenue reporting, revenue is attributed to the geographic location to which the product is shipped.  Revenue by geographic region is as follows:

	Three Months Ended
	March 28,		March 31,
	2020		2019
Revenue from third parties:
United States	$	19,648	$	9,131
Taiwan		35,181		11,031
Japan		15,027		3,940
China		31,383		16,044
South Korea		20,757		10,771
Singapore		2,590		2,016
Other Asia		273		993
Germany		6,082		1,850
Other Europe		8,987		5,116
Total revenue	$	139,928	$	60,892

The following customers accounted for more than 10% of total revenue for the indicated periods:

	Three Months Ended
	March 28,			March 31,
	2020			2019
Customer A		17.5	%		3.8	%
Customer B		17.0	%		6.2	%
Customer C		5.7	%		27.2	%