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Segments and Geographical Information (Percentage of Net Revenues by Geographies) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 34,642	$ 64,659	$ 58,142
Percent of Total	100.00%	100.00%	100.00%
Long lived assets	8,486	32,369
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	7,132	12,300	12,213
Percent of Total	21.00%	19.00%	21.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	2,061	3,020	458
Percent of Total	6.00%	5.00%	1.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	25,449	49,339	45,471
Percent of Total	73.00%	76.00%	78.00%
United States of America
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	4,840	14,022
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	1,072	1,038
Republic of Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	2,574	2,685
Taiwan, ROC
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	$ 0	$ 14,624

X

- Definition

Percentage of Total Revenue

+ References

No definition available.

+ Details

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- Definition

Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph a(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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