Income Taxes Components of Deferred Tax Assets and Liabiliities, Narrative (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012 Y	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Federal/State net operating losses	$ 3,221	$ 3,803
Operating Loss Carryforwards	72,316
Federal/State tax credit carryforwards	2,111	2,077
Operating Loss Carryforwards and Tax Credit Carryforwards, Minimum Years Until Expiration	5
Operating Loss Carryforwards and Tax Credit Carryforwards, Maximum Years Until Expiration	20
Deferred Tax Assets, Valuation Allowance	4,938	4,979
Net deferred tax assets	1,791	1,056
Deferred Tax Asset, Tax Credit Carryforward and Operating Loss, Net of Valuation Allowance	$ 394