GEOGRAPHIC AND CUSTOMER CONCENTRATION INFORMATION (Tables)

6 Months Ended

Jul. 01, 2012

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 percentage):



	Three Months Ended						Six Months Ended
	July 1, 2012			July 3, 2011			July 1, 2012			July 3, 2011
	Amount		Percent	Amount		Percent	Amount		Percent	Amount		Percent
Net sales:
United States	$	2,074	6	$	1,740	3	$	12,244	14	$	2,823	3
Korea	18,798		54	21,388		42	43,056		51	43,521		44
Taiwan	4,087		12	14,378		28	12,030		14	23,332		24
China	2,343		7	3,643		7	3,900		5	10,218		10
Other Asia	3,814		11	6,420		13	6,322		7	10,625		11
Europe and others	3,768		10	3,690		7	7,836		9	7,789		8
	$	34,884	100	$	51,259	100	$	85,388	100	$	98,308	100

Summary of Geographic Information Relating to Property and Equipment

Geographical information relating to our property and equipment, net, as of July 1, 2012 and December 31, 2011 was as follows (in thousands):



	July 1, 2012		December 31, 2011
Property and equipment, net:
United States	$	4,571	$	5,306
Germany	2,376		2,396
Canada	212		2,281
Others	528		569
	$	7,687	$	10,552

- 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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