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Note D - Stock Based Compensation (Details Textual) - 2016 Restricted Stock Plan [Member] - USD ($)
Jan. 04, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   500,000
Restricted Stock [Member] | Subsequent Event [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 210,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options $ 1,444,800  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 5 years