Goodwill and Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 28, 2013	Dec. 29, 2012
Schedule of Intangible Assets
Gross Carrying Amount	$ 960	$ 960
Accumulated Amortization	578	406
Net Carrying Amount	382	554
Patents
Schedule of Intangible Assets
Gross Carrying Amount	720	720
Accumulated Amortization	522	362
Net Carrying Amount	198	358
Customer Relations
Schedule of Intangible Assets
Gross Carrying Amount	240	240
Accumulated Amortization	56	44
Net Carrying Amount	$ 184	$ 196
Amortization Life	11 years 6 months

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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