Segment Reporting and Geographic Information

3 Months Ended

Mar. 31, 2013

Segment Reporting and Geographic Information [Abstract]

Segment Reporting Disclosure [Text Block]

Segment Reporting and Geographic Information

The Company has one reportable segment. Operating segments are business units that have separate financial information and are separately reviewed by the Company’s chief decision maker. The Company’s chief decision maker is the Chief Executive Officer. The Company is engaged in the design, development, manufacture and support of defect inspection, advanced packaging lithography, process control metrology, and data analysis systems and software used by microelectronics device manufacturers worldwide. The Company and its subsidiaries currently operate in a single reportable segment: the design, development, manufacture and support of defect inspection, advanced packaging lithography, process control metrology, and data analysis systems and software used by microelectronics device manufacturers. The chief operating decision maker allocates resources and assesses performance of the business and other activities at the reporting segment level.

The following table lists the different sources of revenue:

	Three Months Ended
	March 31,
	2013				2012
Systems and Software:
Inspection	$	24,879	60	%	$	22,856	50	%
Metrology	288		1	%	10,237		22	%
Lithography	3,700		9	%	—		—	%
Data Analysis and Review	4,157		10	%	4,547		10	%
Parts	5,546		13	%	5,504		12	%
Services	3,080		7	%	2,565		6	%
Total revenue	$	41,650	100	%	$	45,709	100	%

For geographical revenue reporting, revenues are attributed to the geographic location in which the product is shipped.  Revenue by geographic region is as follows:

	Three Months Ended
	March 31,
	2013		2012
United States	$	9,402	$	9,355
Taiwan	13,131		8,665
Japan	2,388		1,393
China	2,748		1,913
South Korea	3,423		14,492
Other Asia	5,408		5,104
Austria	286		2,598
Germany	2,525		373
Other Europe	2,339		1,816
Total revenue	$	41,650	$	45,709

Customers comprising 10% or more of revenue:

	Three Months Ended
	March 31,
	2013		2012
Customer A	18.5	%	—	%
Customer B	6.5	%	10.4	%
Customer C	3.4	%	30.7	%