XML 38 R29.htm IDEA: XBRL DOCUMENT v3.23.3
Stock-Based Compensation (Details - Valuation Assumptions) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]        
Weighted average grant date fair value $ 0 $ 3.58 $ 1.08 $ 3.41
Expected dividend yield 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate 0.00% 2.81% 3.68% 1.43%
Expected volatility 0.00% 132.20% 114.10% 132.70%
Expected life (in years) (Year)   6 years 10 months 24 days 6 years 4 months 24 days 6 years 8 months 12 days