Geographic and Significant Customer Information (Tables)

6 Months Ended

Jun. 30, 2012

Geographic and Significant Customer Information [Abstract]

Total net revenue

	Three Months Ended				Six Months Ended
	June 30, 2012		July 2, 2011		June 30, 2012		July 2, 2011
Total net revenues:
United States	$	13,872	$	8,673	$	25,449	$	23,238
China		1,702		7,566		2,637		9,409
Israel		159		7,438		6,475		15,186
Japan		2,511		8,371		6,850		16,261
South Korea		29,638		22,474		57,109		47,617
Other		5,299		9,850		10,153		14,804
Total net revenues	$	53,181	$	64,372	$	108,673	$	126,515

Long-lived tangible assets

	June 30, 2012		December 31, 2011
Long-lived tangible assets:
United States	$	40,128	$	33,127
China		30		36
Israel		124		115
Japan		187		159
South Korea		556		503
All Other		1,178		1,581
Total long-lived tangible assets	$	42,203	$	35,521

Customers accounted for 10% or more of total accounts receivable

	At
	June 30, 2012			December 31, 2011
SK Hynix		29.9	%		11.4	%
Samsung Electronics Co. Ltd.		22.6	%		30.0	%
Intel Corporation		*	**		16.9	%

Customers accounted for 10% or more of total revenue

	Three Months Ended						Six Months Ended
	June 30, 2012			July 2, 2011			June 30, 2012			July 2, 2011
Samsung Electronics Co. Ltd.		34.3	%		25.6	%		37.3	%		26.5	%
SK Hynix		24.6	%		18.1	%		16.8	%		15.0	%
Intel Corporation		13.9	%		12.8	%		22.1	%		20.6	%