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Note 4 - Property and Equipment, Net (Tables)
12 Months Ended
Dec. 30, 2017
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
2017
   
2016
 
Land
 
$
2,261
    $
2,261
 
Furniture and fixtures
 
 
44,191
     
41,578
 
Computer hardware
 
 
27,122
     
26,960
 
Building
 
 
14,970
     
14,970
 
Leasehold improvements
 
 
111,717
     
113,573
 
Computer software
 
 
42,911
     
41,763
 
Construction in progress
 
 
7,774
     
6,152
 
   
 
250,946
     
247,257
 
Less accumulated depreciation
 
 
173,195
     
172,333
 
Total, net
 
$
77,751
    $
74,924