Annual report pursuant to Section 13 and 15(d)

11. Share-Based Compensation (Details - Non-employee option activity)

v3.20.1
11. Share-Based Compensation (Details - Non-employee option activity) - Non Employee Stock Options [Member] - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Options outstanding, beginning balance 5,302 4,731
Options granted 15,500 834
Options expired (242) (263)
Options outstanding, ending balance 20,560 5,302
Options vested or expected to vest 20,560  
Options exercisable 5,060 5,302
Weighted-average exercise price outstanding, beginning balance $ 73.52 $ 90.49
Weighted-average exercise price, granted 1.08 23.16
Weighted-average exercise price, forfeited/expired 225.72 219.00
Weighted-average exercise price, ending balance 17.09 73.52
Weighted-average exercise price, vested or expected to vest 17.09  
Weighted-average exercise price, exercisable $ 66.15 $ 73.52
Weighted-average remaining life outstanding 4 years 8 months 26 days 5 years 4 months 24 days
Weighted-average remaining life, vested or expected to vest 4 years 8 months 26 days 5 years 4 months 24 days
Weighted-average remaining life, exercisable 4 years 7 months 17 days  
Aggregate intrinsic value, outstanding beginning balance $ 0 $ 0
Aggregate intrinsic value, outstanding ending balance 0 0
Aggregate intrinsic value, vested or expected to vest 0 0
Aggregate intrinsic value, exercisable $ 0 $ 0