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Accounting for Stock-Based Compensation (Details - Valuation Assumptions) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]        
Weighted average grant date fair value $ 1.09 $ 0 $ 1.08 $ 3.34
Expected dividend yield 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate 3.53% 0.00% 3.68% 0.88%
Expected volatility 103.20% 0.00% 114.10% 133.00%
Expected life (in years) (Year) 6 years 4 months 24 days   6 years 4 months 24 days 6 years 7 months 6 days