Quarterly report pursuant to Section 13 or 15(d)

14. Stockholders' Equity (Details - Options by exercise price (Details - Assumptions)

v3.20.2
14. Stockholders' Equity (Details - Options by exercise price (Details - Assumptions)
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Risk-free interest rate   0.00%
Expected life  
Expected volatility   0.00%
Expected dividend yield   0.00%
Options [Member]    
Risk-free interest rate 1.71%  
Expected life 10 years  
Expected volatility 158.86%  
Expected dividend yield 0.00%