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Note 3 - Prepaid Expenses and Other Currents Assets (Tables)
12 Months Ended
Jan. 02, 2016
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
 
 
2015
 
 
2014
 
Prepaid rent
 
$
7,852
 
  $ 7,848  
Short-term investments
 
 
1,458
 
    1,121  
Other
 
 
7,002
 
    6,642  
Total
 
$
16,312
 
  $ 15,611