Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011	Jan. 01, 2012
Income Tax Disclosure [Abstract]
Tax provision from income taxes	$ 22	$ 10	$ (17)	$ 19
Unrecognized tax benefits	79		79		77
Accrued interest and penalties related to uncertain tax positions	$ 31		$ 31

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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