Annual report pursuant to Section 13 and 15(d)

Note L - Stock Option Plans (Details Textual)

v3.19.1
Note L - Stock Option Plans (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jun. 30, 2011
Jul. 31, 2004
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 0 $ 1.73  
Income from Non-employee Options     $ 10,720 $ 9,384  
Employee Stock Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       1,806,741  
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount     398,301 $ 636,058  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total     $ 263,974 $ 603,979  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year 273 days 3 years 14 days  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price       $ 1.82  
Stock Option Plan 2004 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   750,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Period from Grant Date   3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expire Period after Grant Date   5 years      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant       0  
Stock Option Plan 2011 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Period from Grant Date         3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expire Period after Grant Date         5 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 2,000,000       4,000,000