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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2013
INVENTORIES [Abstract]  
Inventory
Inventories include the following at December 31:

   
2013
  
2012
 
   
(thousands of dollars)
 
        
Raw material
 $2,403  $3,591 
Finished products
  9,660   6,249 
          
Total inventory
 $12,063  $9,840