Segment Reporting and Geographic Information

12 Months Ended

Dec. 31, 2014

Segment Reporting and Geographic Information [Abstract]

Segment Reporting Disclosure [Text Block]

Segment Reporting and Geographic Information:

The Company is engaged in the design, development, manufacture and support of high-performance control metrology, defect inspection, advanced packaging lithography and data analysis systems used by microelectronics device manufacturers. 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, metrology, and process control software systems used by microelectronics device manufacturers, and therefore have one reportable segment. The Company’s chief operating decision maker is the Chief Executive Officer. 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,
	2012				2013				2014
Systems and software:
Inspection	$	128,917	59	%	$	89,089	51	%	$	87,818	49	%
Metrology	38,001		17	%	26,500		15	%	24,590		14	%
Data analysis and review	19,840		9	%	17,927		10	%	24,042		13	%
Lithography	—		—	%	8,548		5	%	11,163		6	%
Parts	20,802		10	%	21,078		12	%	20,334		11	%
Services	10,926		5	%	13,096		7	%	13,271		7	%
Total revenue	$	218,486	100	%	$	176,238	100	%	$	181,218	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,
	2012		2013		2014
Revenues from third parties:
United States	$	42,108	$	40,849	$	60,871
Taiwan	62,239		54,682		49,532
South Korea	33,675		10,704		12,782
Singapore	26,183		17,260		17,807
Austria	11,423		898		752
Japan	16,405		7,326		9,449
Germany	5,393		5,669		9,142
China	12,266		20,061		11,521
Other Europe	8,794		18,789		9,362
Total revenue	$	218,486	$	176,238	$	181,218

In 2012, sales to Samsung Semiconductor, Inc. and Advanced Semiconductor Engineering, Inc. accounted for 10.4% and 10.1% of the Company’s revenues, respectively. In 2013, sales to Intel Semiconductor Inc. and STATS ChipPAC Ltd. accounted for 11.4% and 10.3% of the Company’s revenues, respectively. No individual end user customer accounted for more than 10% of its revenue in 2014. The company does not purchase contracts with any of its customers that obligate them to continue to purchase its products.

At December 31, 2013, one customer, STATS ChipPAC Ltd., accounted for more than 10% of net accounts receivable. At December 31, 2014, two customers, Taiwan Semiconductor Manufacturing Co. Ltd. and TriQuint Semiconductor Inc., accounted for more than 10% of net accounts receivable.

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