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Note 5 - Property and Equipment (Tables)
9 Months Ended
Sep. 27, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

September 27,

2014

   

December 28,

2013

 

Equipment and furniture

  $ 2,567     $ 2,454  

Computers and systems

    6,509       5,670  

Leasehold improvements

    741       633  
      9,817       8,757  
                 

Less: accumulated depreciation and amortization

    6,372       6,466  
                 

Property and equipment, net

  $ 3,445     $ 2,291