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Note 5 - Property and Equipment (Tables)
6 Months Ended
Jul. 04, 2015
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
July 4,
2015
   
January 3,
2015
 
Equipment and furniture
  $ 2,250     $ 2,585  
Computers and systems
    4,548       6,553  
Leasehold improvements
    674       781  
      7,472       9,919  
                 
Less: accumulated depreciation and amortization
    3,790       6,622  
                 
Property and equipment, net
  $ 3,682     $ 3,297