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Inventories (Tables)
9 Months Ended
Sep. 30, 2013
Inventories [Abstract]  
Schedule Of Inventories
                         
   
September 30,
   
December 31,
 
   
2013
   
2012
   
2012
 
Finished goods
 
$
3,106,557
   
$
2,162,292
   
$
2,462,548
 
Production supplies
   
3,469,239
     
2,188,111
     
2,599,668
 
Raw materials
   
1,806,491
     
1,219,484
     
876,970
 
Total inventories
 
$
8,382,287
   
$
5,569,887
   
$
5,939,186