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Stock Options And Warrants (Summary Of Weighted Average Remainining Contractual Life Of Options) (Details) - $ / shares
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options outstanding 449,675,799 150,275,799 151,475,799 154,800,000
Exercise Price 0.0400 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0400      
Number of options outstanding 20,000,000      
Weighted Average remaining contractual life (years) 2 years 3 months 4 days      
Exercise Price 0.0150 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0150      
Number of options outstanding 35,000,000      
Weighted Average remaining contractual life (years) 1 year 10 months 24 days      
Exercise Price 0.0131 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0131      
Number of options outstanding 60,000,000      
Weighted Average remaining contractual life (years) 1 year 4 months 6 days      
Exercise Price 0.0130 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0130      
Weighted Average remaining contractual life (years) 1 year 5 months 19 days      
Exercise Price 0.0130 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options outstanding 15,000,000      
Exercise Price 0.0100 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0100      
Number of options outstanding 6,675,799      
Weighted Average remaining contractual life (years) 1 year 10 months 2 days      
Exercise Price 0.0053 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0053      
Number of options outstanding 12,500,000      
Weighted Average remaining contractual life (years) 1 year 10 months 13 days      
Exercise Price 0.0040 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0040      
Number of options outstanding 500,000      
Weighted Average remaining contractual life (years) 1 year 11 days      
Exercise Price 0.0019 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0019      
Number of options outstanding 283,000,000      
Weighted Average remaining contractual life (years) 4 years 3 months 18 days      
Exercise Price 0.0018 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Excerise prices $ 0.0018      
Number of options outstanding 17,000,000      
Weighted Average remaining contractual life (years) 4 years 8 months 1 day