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Note 5 - Property and Equipment (Tables)
3 Months Ended
Apr. 02, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
April 2,
2016
   
April 4,
2015
 
Equipment and furniture
  $ 1,009     $ 2,243  
Computers and systems
    5,592       4,176  
Leasehold improvements
    759       674  
      7,360       7,093  
                 
Less: accumulated depreciation and amortization
    2,635       3,473  
                 
Property and equipment, net
  $ 4,725     $ 3,620