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Schedule of Inventory, Current (Details) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Details      
Inventory, Raw Materials, Gross $ 1,835,909 $ 2,009,691  
Inventory, Work in Process, Gross 2,135,314 1,869,830  
Inventory, Finished Goods, Gross 1,555,298 1,606,851  
Inventory, Gross 5,526,521 5,486,372  
Inventory Valuation Reserves 632,000 550,000  
Inventories, net $ 4,894,521 $ 4,936,372 $ 5,214,761