Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
8. Stock Options and Warrants (Details-Warrant Exercise Price per Share) - Warrants [Member] - $ / shares
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Outstanding Warrants    
Warrants outstanding 26,102,430 21,055,355
Life (Years), warrants outstanding 10 months 25 days  
Weighted Average Exercise Price, warrants outstanding $ 0.08  
Exercisable Warrants    
Warrants exercisable 26,102,430  
Weighted Average Exercise Price, warrants exercisable $ 0.08  
$0.05-$0.24 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 23,390,763  
Life (Years), warrants outstanding 9 months 18 days  
Weighted Average Exercise Price, warrants outstanding $ 0.05  
Exercisable Warrants    
Warrants exercisable 23,390,763  
Weighted Average Exercise Price, warrants exercisable $ 0.05  
$0.25-$0.49 Price Per Share [Member]    
Outstanding Warrants    
Warrants outstanding 2,641,667  
Life (Years), warrants outstanding 2 years  
Weighted Average Exercise Price, warrants outstanding $ 0.30  
Exercisable Warrants    
Warrants exercisable 2,641,667  
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 5 years 1 month 6 days  
Weighted Average Exercise Price, warrants outstanding $ 0.80  
Exercisable Warrants    
Warrants exercisable 70,000  
Weighted Average Exercise Price, warrants exercisable $ 0.80