Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES (Tables)

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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2015
INVENTORIES [Abstract]  
Inventories
Inventories include the following:

   
June 30, 2015
   
December 31, 2014
 
   
(thousands of dollars)
 
Raw material
  $ 2,930     $ 2,826  
Work in process
    76       49  
Finished products
    12,052       9,940  
    Total inventory
  $ 15,058     $ 12,815