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Inventories
6 Months Ended
Jun. 30, 2014
Inventory Disclosure [Abstract]  
Inventories [Text Block]
Inventories
Inventories consist of the following:
 
 
June 30,
2014
 
December 31,
2013
Raw materials
$
55,369

 
$
60,157

Finished products
95,071

 
108,334

Spare parts
13,858

 
12,976

 
$
164,298

 
$
181,467



Inventory reserves for excess quantities, obsolescence or shelf-life expiration as of June 30, 2014 and December 31, 2013 were $12,372 and $13,857, respectively.