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INVENTORY. (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Raw materials $ 28,380,903 $ 30,198,816
Finished goods 6,659,052 7,930,684
Inventory Gross 35,039,955 38,129,500
Allowance for obsolescence - raw materials (1,779,729) (1,769,984)
Total Inventory net $ 33,260,226 $ 36,359,516