Quarterly report pursuant to Section 13 or 15(d)

8. Stock Options and Warrants (Details-Warrant Exercise Price per Share)

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8. Stock Options and Warrants (Details-Warrant Exercise Price per Share) - Warrants [Member] - $ / shares
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Outstanding Warrants    
Warrants outstanding 9,058,676 8,683,677
Life (Years), warrants outstanding 7 months 6 days  
Weighted Average Exercise Price, warrants outstanding $ 0.11  
Exercisable Warrants    
Warrants exercisable 9,025,343  
Weighted Average Exercise Price, warrants exercisable $ 0.11  
$0.05-$0.24 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 6,988,676  
Life (Years), warrants outstanding 7 months 6 days  
Weighted Average Exercise Price, warrants outstanding $ 0.04  
Exercisable Warrants    
Warrants exercisable 6,955,343  
Weighted Average Exercise Price, warrants exercisable $ 0.04  
$0.25-$0.49 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 2,000,000  
Life (Years), warrants outstanding 7 months 6 days  
Weighted Average Exercise Price, warrants outstanding $ 0.3  
Exercisable Warrants    
Warrants exercisable 2,000,000  
Weighted Average Exercise Price, warrants exercisable $ 0.3  
$0.50-$1.00 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 70,000  
Life (Years), warrants outstanding 3 years 1 month 6 days  
Weighted Average Exercise Price, warrants outstanding $ 0.8  
Exercisable Warrants    
Warrants exercisable 70,000  
Weighted Average Exercise Price, warrants exercisable $ 0.8