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Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2011
Dec. 31, 2010
Balance Sheets [Abstract]    
Trade receivables, less allowance of Parenthetical Value 1 $ 51,000 $ 60,000
INTANGIBLE ASSETS, less accumulated amortization of Parenthetical Value 3 $ 427,454 $ 376,983
Preferred Stock, Par or Stated Value Per Share $ 0.10 $ 0.10
Preferred Stock, Shares Authorized 250,000 250,000
Preferred Stock, Shares Issued 0 0
Common Stock, Par or Stated Value Per Share $ 0.10 $ 0.10
Common Stock, Shares Authorized 4,750,000 4,750,000
Common stock Shares Issued 1,984,587 1,973,357
Common stock Shares Outstanding 1,984,587 1,973,357