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Note 3 - Prepaid Expenses and Other Assets (Tables)
12 Months Ended
Jan. 03, 2015
Prepaid Expenses And Other Assets [Abstract]  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
   

2014

   

2013

 

Prepaid rent

  $ 7,848     $ 4,608  

Short-term investments

    1,121       -  

Other

    6,642       6,939  
    $ 15,611     $ 11,547