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Note 6 - Property and Equipment, Net (Tables)
12 Months Ended
Dec. 28, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

December 28,

2014

   

December 29,

2013

 

Building and site improvements

  $ 27,905     $ 24,611  

Furniture and equipment

    13,445       12,370  

Construction in process

    83       219  
      41,433       37,200  

Less accumulated depreciation

    (8,694 )     (5,541 )
    $ 32,739     $ 31,659