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Intangible Assets
6 Months Ended
Jun. 29, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Disclosure [Text Block]
Note 5 –Intangible Assets
 
Intangible assets, net consisted of the following (in thousands):
 
  
June 29, 2018
  
December 29, 2017
 
  
Gross
Carrying
Amount
  
Accumulated
Amortization
  
Net
  
Gross

Carrying
Amount
  
Accumulated
Amortization
  
Net
 
Long-lived amortized intangible assets:                        
Patents and licenses $9,255  $(8,996) $259  $9,244  $(8,973) $271 
Customer relationships  1,417   (1,417)     1,392   (1,392)   
Developed technology  900   (900)     885   (885)   
Total $11,572  $(11,313) $259  $11,521  $(11,250) $271