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Stock Options and Warrants (Details - Options by exercise price per share) - Equity Option [Member] - $ / shares
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Shares, options outstanding 25,294,103 25,757,155 26,057,601
Life (Years), options outstanding 2 years 10 months 24 days    
Weighted average exercise price, options outstanding $ 0.13 $ 0.14 $ 0.15
Shares, options exercisable 25,294,103    
Weighted average exercise price, options exercisable $ 0.13    
Exercise Price $0.02 - $0.24 [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Shares, options outstanding 22,055,551    
Life (Years), options outstanding 3 years 1 month 6 days    
Weighted average exercise price, options outstanding $ 0.10    
Shares, options exercisable 22,055,551    
Weighted average exercise price, options exercisable $ 0.10    
Exercise Price $0.25 - $0.49 [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Shares, options outstanding 3,238,552    
Life (Years), options outstanding 1 year 8 months 12 days    
Weighted average exercise price, options outstanding $ 0.36    
Shares, options exercisable 3,238,552    
Weighted average exercise price, options exercisable $ 0.36