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Consolidated Balance Sheets (Parentheticals) (USD $)
Dec. 31, 2011
Dec. 31, 2010
CURRENT ASSETS:    
Allowance for accounts receivable $ 81,000 $ 147,000
OTHER INTANGIBLES, net of accumulated amortization $ 539,000 $ 495,000
STOCKHOLDERS' EQUITY:    
Preferred stock par value $ 0.10 $ 0.10
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0024 $ 0.0024
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 11,150,065 11,150,065
Common stock, shares outstanding 10,156,442 10,156,442
Treasury stock shares 993,623 993,623