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Segments and Geographical Information (Percentage of Net Revenues by Geographies) (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 22,898,000	$ 34,642,000	$ 64,659,000
Percent of Total	100.00%	100.00%	100.00%
Long lived assets	6,035,000	8,486,000
US
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	11,927,000	25,356,000	48,707,000
Percent of Total	53.00%	73.00%	75.00%
Others
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	230,000	93,000	632,000
Percent of Total	1.00%	0.00%	1.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	12,157,000	25,449,000	49,339,000
Percent of Total	54.00%	73.00%	76.00%
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	8,292,000	7,132,000	12,300,000
Percent of Total	36.00%	21.00%	19.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	2,449,000	2,061,000	3,020,000
Percent of Total	10.00%	6.00%	5.00%
United States of America
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	3,050,000	4,840,000
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	795,000	1,072,000
Republic of Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Long lived assets	$ 2,190,000	$ 2,574,000

X

- Definition

Percentage of Total Revenue

+ References

No definition available.

+ Details

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X

- 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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