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PROPERTY, PLANT AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2012
PROPERTY, PLANT AND EQUIPMENT [Abstract]  
Property, plant and equipment
Property, plant and equipment at December 31, 2012 and 2011 are summarized as follows:

   
2012
  
2011
 
Land
 $1,998  $1,971 
Building
  16,526   15,680 
Equipment
  70,859   66,584 
Construction in progress
  11,446   2,632 
    100,829   86,867 
Less: Accumulated depreciation
  48,104   42,585 
   Property, plant and equipment, net
 $52,725  $44,282