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Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 29, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consisted of the following (in thousands):

 

  March 29,  December 28, 
  2013  2012 
Machinery and equipment $14,375  $14,734 
Furniture and fixtures  4,598   3,483 
Leasehold improvements  5,480   5,281 
   24,453   23,498 
Less accumulated depreciation  18,269   18,059 
  $6,184  $5,439