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Inventories (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Inventories    
Raw materials, Gross $ 13,785,595 $ 8,978,074
Finished goods 1,318,506 1,029,854
Totals 15,104,101 10,007,928
Recycled paper board [Member]
   
Inventories    
Raw materials, Gross 11,274,383 5,645,449
Pulp [Member]
   
Inventories    
Raw materials, Gross 13,813 13,718
Recycled printed paper [Member]
   
Inventories    
Raw materials, Gross 884,236 589,165
Recycled white scrap paper [Member]
   
Inventories    
Raw materials, Gross 766,144 1,918,545
Coal [Member]
   
Inventories    
Raw materials, Gross 621,107 661,891
Base paper and other raw materials [Member]
   
Inventories    
Raw materials, Gross $ 225,912 $ 149,306