Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details - Assumptions)

v3.21.2
Stock Options (Details - Assumptions) - Share-based Payment Arrangement, Option [Member] - $ / shares
3 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price $ 3.06 $ 1.98
Dividend yield 0.00% 0.00%
Volatility 143.00% 101.00%
Risk-free interest rate 0.41% 0.90%
Expected life 5 years 5 years