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Stock-Based Compensation (Details - Valuation Assumptions) - $ / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]    
Weighted average grant date fair value $ 21.60 $ 66.40
Expected dividend yield 0.00% 0.00%
Risk-free interest rate 3.68% 2.17%
Expected volatility 114.17% 129.54%
Expected life (in years) 6 years 5 months 8 days 6 years 9 months 3 days