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Intangible assets, net
3 Months Ended
Mar. 28, 2014
Intangible assets, net [Abstract]  
Intangible assets, net
(4)Intangible assets, net
 
The net carrying amounts of intangible assets as of March 28, 2014 and December 27, 2013 consisted of the following (in thousands):
 
 
March 28, 2014
  
December 27, 2013
 
Intangible assets subject to amortization  (definite lives):
 
  
 
    Customer relationships
 
$
3,300
  
$
3,300
 
    Technology
  
2,000
   
2,000
 
      Total
  
5,300
   
5,300
 
 
        
Accumulated amortization:
        
    Customer relationships
  
(3,300
)
  
(3,300
)
    Technology
  
(2,000
)
  
(2,000
)
     Total
  
(5,300
)
  
(5,300
)
 
        
Net intangible assets subject to amortization
  
-
   
-
 
 
        
Intangible assets not subject to amortization (indefinite lives):
        
       Tradename
  
2,040
   
2,040
 
 
        
 
 
$
2,040
  
$
2,040
 

As of December 27, 2013, our intangible assets with finite lives were fully amortized.  Amortization expense for intangible assets was $0.1 million for the three months ended March 29, 2013.