Segment Reporting and Geographic Information

12 Months Ended

Dec. 31, 2011

Segment Reporting and Geographic Information [Abstract]

Segment Reporting Disclosure [Text Block]

Segment Reporting and Geographic Information:

The Company reports 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, and manufacture of high-performance control metrology, defect inspection and data analysis systems used by semiconductor device manufacturers. The Company and its subsidiaries currently operate in a single reportable segment: the design, development, and manufacture of high-performance process control defect inspection, metrology, and process control software systems 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:

	Year Ended December 31,
	2009				2010				2011
Systems:
Inspection	$	38,027	48	%	$	105,904	54	%	$	91,825	49	%
Metrology	8,921		11	%	39,428		20	%	38,616		21	%
Data Analysis and Review	6,691		9	%	19,417		10	%	23,356		13	%
Parts	15,428		20	%	19,266		10	%	21,719		11	%
Services	9,590		12	%	11,290		6	%	11,680		6	%
Total revenue	$	78,657	100	%	$	195,305	100	%	$	187,196	100	%

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

	Year Ended December 31,
	2009		2010		2011
Revenues from third parties:
United States	$	21,673	$	45,243	$	52,910
Taiwan	22,401		48,455		26,898
South Korea	4,062		17,612		26,725
Singapore	11,765		30,305		16,344
Austria	57		1,841		15,960
Japan	4,394		7,725		14,925
Germany	2,084		8,191		14,657
China	5,261		24,201		11,124
Other Europe	6,960		11,732		7,653
Total revenue	$	78,657	$	195,305	$	187,196

In 2009, sales to Intel Corporation accounted for 13.6% of our revenues. In 2010, sales to Taiwan Semiconductor Manufacturing Co. and Samsung Semiconductor Inc. accounted for 13.9% and 11.2% of our revenues, respectively. In 2011, sales to Infineon Technologies and Samsung Semiconductor Inc. accounted for 13.5% and 12.1% of our revenues, respectively. No other individual end user customer accounted for more than 10% of our revenues in 2009, 2010 and 2011.

At December 31, 2010, two customers, Semiconductor Manufacturing International Corporation and Samsung Semiconductor, Inc., accounted for more than 10% of net accounts receivable. At December 31, 2011, two customers, Infineon Technologies and Samsung Semiconductor, Inc., accounted for more than 10% of net accounts receivable.

Substantially all of the Company’s long-lived assets are within the United States of America.