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Inventory (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Inventory, Raw Materials, Gross $ 2,032,904 $ 2,016,032
Inventory, Work in Process, Gross 2,203,172 1,984,368
Inventory, Finished Goods, Gross 1,568,745 1,760,640
Inventory, Gross 5,805,361 5,761,040
Inventory Valuation Reserves (590,600) (549,000)
Inventories, net $ 5,214,761 $ 5,212,040