Annual report pursuant to Section 13 and 15(d)

5. Equity (Details - Warrants by exercise price)

v3.20.1
5. Equity (Details - Warrants by exercise price) - Warrants [Member] - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Warrants outstanding 3,986,630 3,674,130 1,206,059
Weighed average exercise price, warrants outstanding $ 3.99 $ 4.08 $ 11
Weighed average remaining life 3 years 7 months 17 days    
Warrants exercisable 3,782,328    
Weighed average exercise price, warrants exercisable $ 4.02    
Warrant price $11.00 [Member]      
Warrants outstanding 1,206,059    
Weighed average remaining life 2 years 7 months 21 days    
Warrants exercisable 1,206,059    
Warrant price $2.00 [Member]      
Warrants outstanding 63,750    
Weighed average remaining life 4 years 5 months 5 days    
Warrants exercisable 63,750    
Warrant price $4.00 [Member]      
Warrants outstanding 148,750    
Weighed average remaining life 4 years 10 months 10 days    
Warrants exercisable 0    
Warrant price $1.75 [Member]      
Warrants outstanding 100,000    
Weighed average remaining life 4 years 3 months 15 days    
Warrants exercisable 44,448    
Warrant price $1.50 [Member]      
Warrants outstanding 14,000    
Weighed average remaining life 3 years 5 months 12 days    
Warrants exercisable 14,000    
Warrant price $0.70 [Member]      
Warrants outstanding 2,454,071    
Weighed average remaining life 4 years    
Warrants exercisable 2,454,071