GEOGRAPHIC AND CUSTOMER CONCENTRATION INFORMATION (Tables)

3 Months Ended

Mar. 31, 2013

Geographic and Customer Concentration Information [Abstract]

The following table summarizes net sales by geographic areas based on the installation locations of the systems and the location of services rendered (in thousands except percentages):



	Three Months Ended
	March 31, 2013			April 1, 2012
	Amount		Percent	Amount		Percent
Net sales:
United States	$	3,084	15	$	10,170	20
South Korea	868		4	24,258		48
Taiwan	12,065		60	7,943		16
Other Asia	3,018		15	4,064		8
Europe and others	1,202		6	4,069		8
	$	20,237	100	$	50,504	100

Summary of Geographic Information Relating to Property and Equipment

Geographical information relating to our property and equipment, net, as of March 31, 2013 and December 31, 2012 was as follows (in thousands):



	March 31, 2013		December 31, 2012
Property and equipment, net:
United States	$	3,501	$	3,824
Germany	2,920		3,131
Others	373		432
	$	6,794	$	7,387

- Definition

Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.

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