General form of registration statement for all companies including face-amount certificate companies

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

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14. Stockholders' Equity (Details - Options by exercise price (Details - Assumptions) - Options [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Risk-free interest rate 0.93% 1.71% 1.71% 1.71%
Expected life 10 years 10 years 10 years 10 years
Expected volatility 122.93% 158.86% 158.86% 158.86%
Expected dividend yield 0.00% 0.00% 0.00% 0.00%