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Note 5 - Property and Equipment (Details) - Property and Equipment (USD $)
In Thousands, unless otherwise specified
Mar. 29, 2014
Dec. 28, 2013
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross $ 8,298 $ 8,757
Less: accumulated depreciation and amortization 5,816 6,466
Property and equipment, net 2,482 2,291
Equipment and Furniture [Member]
   
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross 2,340 2,454
Computers and Systems [Member]
   
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross 5,330 5,670
Leasehold Improvements [Member]
   
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross $ 628 $ 633