Geographic and Significant Customer Information (Tables)

9 Months Ended

Sep. 29, 2012

Geographic and Significant Customer Information [Abstract]

Total net revenue

	Three Months Ended				Nine Months Ended
	September 29, 2012		October 1, 2011		September 29, 2012		October 1, 2011
Total net revenues:
United States	$	6,888	$	13,309	$	32,337	$	36,548
Europe	4,087		3,054		12,670		20,996
Japan	5,896		10,912		12,746		27,173
South Korea	18,554		22,986		75,663		70,603
Taiwan	6,233		2,775		12,105		9,556
Other	2,280		5,233		7,090		19,908
Total net revenues	$	43,938	$	58,269	$	152,611	$	184,784

Long-lived tangible assets

Long-lived tangible assets:	September 29, 2012		December 31, 2011
United States	$	40,361	$	33,127
Europe	1,739		1,415
Japan	177		159
South Korea	538		503
Taiwan	91		113
All Other	174		204
Total long-lived tangible assets	$	43,080	$	35,521

Customers accounted for 10% or more of total accounts receivable

	At
	September 29, 2012		December 31, 2011
SK Hynix	18.0	%	11.4	%
Taiwan Semiconductor Mfg. Co.	15.0	%	***
Samsung Electronics Co. Ltd.	15.4	%	30.0	%
Intel Corporation	13.7	%	16.9	%

Customers accounted for 10% or more of total revenue

	Three Months Ended				Nine Months Ended
	September 29, 2012		October 1, 2011		September 29, 2012		October 1, 2011
SK Hynix	24.1	%	***		18.9	%	12.1	%
Samsung Electronics Co. Ltd.	17.4	%	31.8	%	31.6	%	28.2	%
Intel Corporation	15.3	%	14.3	%	20.1	%	18.6	%
Taiwan Semiconductor Mfg. Co.	12.8	%	***		***		***

*** The customer accounted for less than 10% of total revenue for that period.