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Note 8 - Income Taxes (Details) - Reconciliation of Unrecognized Tax Benefits (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Note 8 - Income Taxes (Details) - Reconciliation of Unrecognized Tax Benefits [Line Items]      
Balance $ 200 $ 200  
Tax Reserve [Member]
     
Note 8 - Income Taxes (Details) - Reconciliation of Unrecognized Tax Benefits [Line Items]      
Balance 49 185 213
Lapse of statute (139) (28)  
Audit settlement release (4)    
Addition to reserve $ 7