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INVENTORY. (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Raw materials $ 30,198,816 $ 24,920,825
Finished goods 7,930,684 5,457,833
Inventory Gross 38,129,500 30,378,658
Allowance for obsolescence - raw materials (1,769,984)  
Total Inventory net $ 36,359,516 $ 30,378,658