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Note 4 - Property, Plant and Equipment (Tables)
6 Months Ended
Jul. 01, 2012
Property, Plant and Equipment [Table Text Block]
   
July 1, 2012
   
December 31, 2011
 
Land
  $ 123     $ 123  
Buildings and leasehold improvements
    7,254       7,000  
Machinery and equipment
    45,751       44,770  
Furniture and fixtures
    1,933       1,894  
Computer hardware and software
    4,149       3,815  
Construction in progress
    942       641  
      60,152       58,243  
Less:  Accumulated depreciation
    47,438       45,655  
    $ 12,714     $ 12,588