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Organization and Summary of Significant Accounting Policies (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Composition of inventory    
Finished goods $ 1,002,100 $ 1,191,000
Raw materials 1,036,800 1,067,200
Inventory reserve for obsolescence (129,600) (239,000)
Inventories, net $ 1,909,300 $ 2,019,200