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INVENTORY
3 Months Ended
Mar. 31, 2012
INVENTORY [Abstract]  
INVENTORY
3. 
INVENTORY

Our inventories consist of the following:
 
   
March 31, 2012
  
December 31, 2011
 
Raw materials
 $85,139  $81,303 
Work-in-process
  56,165   60,373 
          
Total
 $141,304  $141,676