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
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Outstanding Warrants    
Warrants outstanding 8,004,395 13,065,084
Life (Years), warrants outstanding 1 year  
Weighted Average Exercise Price, warrants outstanding $ 0.13  
Exercisable Warrants    
Warrants exercisable 7,971,062  
Weighted Average Exercise Price, warrants exercisable $ 0.13  
$0.05-$0.24 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 5,934,395  
Life (Years), warrants outstanding 10 months 25 days  
Weighted Average Exercise Price, warrants outstanding $ 0.06  
Exercisable Warrants    
Warrants exercisable 5,901,062  
Weighted Average Exercise Price, warrants exercisable $ 0.06  
$0.25-$0.49 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 2,000,000  
Life (Years), warrants outstanding 1 year 3 months 19 days  
Weighted Average Exercise Price, warrants outstanding $ 0.30  
Exercisable Warrants    
Warrants exercisable 2,000,000  
Weighted Average Exercise Price, warrants exercisable $ 0.30  
$0.50-$1.00 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 70,000  
Life (Years), warrants outstanding 3 years 9 months 18 days  
Weighted Average Exercise Price, warrants outstanding $ 0.80  
Exercisable Warrants    
Warrants exercisable 70,000  
Weighted Average Exercise Price, warrants exercisable $ 0.80