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Information Concerning Product Lines, Geographic Information and Revenue Concentration (Schedule of Revenue by Geographical Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 4,071	$ 5,737	$ 8,201	$ 11,284
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	1,179	1,907	2,489	4,668
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	929	616	1,809	1,191
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	847	1,099	1,359	1,871
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	596	1,346	1,078	2,065
Malaysia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	344	586	952	1,066
Rest of Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	124	121	355	276
Rest of North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 52	$ 62	$ 159	$ 147

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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