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Inventories (Tables)
9 Months Ended
Sep. 30, 2012
Inventories [Abstract]  
Components of inventories

3. Inventories are stated at the lower of cost or market. Cost is determined using the first-in, first-out method. The components of inventories consist of the following:

 

                 
    September 30,
2012
    December 31,
2011
 

Finished products

  $ 79,925     $ 59,657  

Raw materials

    12,890       11,411  
   

 

 

   

 

 

 
    $ 92,815     $ 71,068