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Inventories (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Schedule of inventories    
Raw materials, Gross $ 13,106,516 $ 13,785,595
Finished goods 1,428,074 1,318,506
Totals 14,534,590 15,104,101
Recycled paper board [Member]
   
Schedule of inventories    
Raw materials, Gross 10,502,155 11,274,383
Pulp [Member]
   
Schedule of inventories    
Raw materials, Gross 13,906 13,813
Recycled printed paper [Member]
   
Schedule of inventories    
Raw materials, Gross 922,383 884,236
Recycled white scrap paper [Member]
   
Schedule of inventories    
Raw materials, Gross 1,204,105 766,144
Coal [Member]
   
Schedule of inventories    
Raw materials, Gross 292,397 621,107
Base paper and other raw materials [Member]
   
Schedule of inventories    
Raw materials, Gross $ 171,570 $ 225,912