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Note 5 - Property and Equipment (Details) - USD ($)
$ in Thousands
Oct. 03, 2015
Jan. 03, 2015
Equipment and Furniture [Member]    
Property and equipment $ 2,379 $ 2,585
Computers and Systems [Member]    
Property and equipment 5,918 6,553
Leasehold Improvements [Member]    
Property and equipment 711 781
Property and equipment 9,008 9,919
Less: accumulated depreciation and amortization 4,175 6,622
Property and equipment $ 4,833 $ 3,297