Annual report [Section 13 and 15(d), not S-K Item 405]

Share-Based Expense (Details - Assumptions Employee)

v3.25.4
Share-Based Expense (Details - Assumptions Employee) - Share-Based Payment Arrangement, Option [Member] - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Weighted-average expected dividend yield 0.00% 0.00%
Weighted-average expected volatility 109.51% 111.50%
Weighted-average risk-free interest rate 3.78% 4.20%
Weighted-average expected life of option 5 years 6 months 5 years 8 months 1 day
Weighted-average exercise price $ 2.17 $ 4.07