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Note 5 - Property and Equipment (Tables)
12 Months Ended
Dec. 28, 2019
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
December 28,
2019
   
December 29,
2018
 
Equipment and furniture
  $
319
    $
600
 
Computers and systems
   
5,628
     
7,200
 
Leasehold improvements
   
308
     
743
 
     
6,255
     
8,543
 
                 
Less: accumulated depreciation and amortization
   
3,538
     
5,058
 
                 
Property and equipment, net
  $
2,717
    $
3,485