Note 7 - 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,

   

December 29,

 
   

2014

   

2013

 

Land

  $ 917     $ 917  

Building and building improvements

    24,175       23,760  

Equipment

    31,458       33,066  

Computer equipment

    9,735       11,518  

Furniture and fixtures

    16,583       18,946  

Automobiles

    27       27  

Leasehold improvements

    108,061       121,768  

Construction-in-progress

    4,106       4,159  
      195,062       214,161  

Less accumulated depreciation

    (114,708 )     (122,691 )
    $ 80,354     $ 91,470