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Note 4 - Property and Equipment, Net (Tables)
6 Months Ended
Jun. 28, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

June 28,

2015

   

December 28,

2014

 

Building and site improvements

  $ 21,473     $ 27,905  

Furniture and equipment

    13,652       13,445  

Construction in process

    296       83  

Property and equipment

    35,421       41,433  

Less accumulated depreciation

    (7,575 )     (8,694 )

Property and equipment, net

  $ 27,846     $ 32,739