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Note 15 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2014
Earliest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Note 15 - Income Taxes (Details) [Line Items]
Income Tax Examination, Year under Examination	2009
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Note 15 - Income Taxes (Details) [Line Items]
Income Tax Examination, Year under Examination	2013
Tax Year 2010 [Member] | State and Local Jurisdiction [Member] | California Franchise Tax Board [Member]
Note 15 - Income Taxes (Details) [Line Items]
Income Tax Examination, Year under Examination	2010
Domestic Tax Authority [Member]
Note 15 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	96.3us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember
State and Local Jurisdiction [Member]
Note 15 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	127.9us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember

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