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Stock Options and Award Programs (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Shares, Granted 400,000 250,000
Shares, Vested 340,000 151,253
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value $ 18,000 $ 594,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 18,000 594,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value 305,250 92,600
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 344,500 $ 302,900
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 3 years 7 months 6 days 2 years 8 months 12 days
Plan 2008 [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 6,578,049  
Director Plan 1997 [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 120,000  
Shares, Granted 12,000  
Shares, Vested 8,000  
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Year One 2,000  
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Year Two 2,000