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Condensed Balance Sheets (Parenthetical) (USD $)
Sep. 30, 2011
Dec. 31, 2010
CURRENT ASSETS:  
Trade receivables, allowance$ 52,000$ 60,000
INTANGIBLE ASSETS, less accumulated amortization$ 414,285$ 376,983
STOCKHOLDERS' EQUITY:  
Preferred stock, par value$ 0.10$ 0.10
Preferred stock, shares authorized250,000250,000
Preferred stock, shares issued  
Common stock, par value$ 0.10$ 0.10
Common stock, shares authorized4,750,0004,750,000
Common stock, shares issued1,983,8871,973,357
Common stock, shares outstanding1,983,8871,973,357