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Business Description and Summary of Significant Accounting Policies (Detail Textuals) (USD $)
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Business Description and Summary Of Significant Accounting Policies [Abstract]      
Allowance for doubtful accounts $ 62,000   $ 122,000
Inventory reserve 891,000   714,000
Income taxes paid 44,000 136,000  
Interest paid $ 31,000 $ 31,000