Annual report pursuant to Section 13 and 15(d)

Share-Based Expense (Details - Employee option activity)

v3.24.1
Share-Based Expense (Details - Employee option activity) - Share-Based Payment Arrangement, Option [Member] - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Options outstanding, beginning balance 143,888 108,888  
Weighted-average exercise price outstanding, beginning balance $ 49.43 $ 62.66  
Weighted-average remaining life outstanding ending 7 years 8 months 8 days 7 years 9 months 10 days 8 years 2 months 19 days
Aggregate intrinsic value, outstanding beginning balance $ 0 $ 23,750  
Options granted 57,500 35,000  
Weighted-average exercise price, granted $ 4.00 $ 8.27  
Options expired 0 0  
Weighted-average exercise price, expired $ 0 $ 0  
Options outstanding, ending balance 201,388 143,888 108,888
Weighted-average exercise price, ending balance $ 36.46 $ 49.43 $ 62.66
Aggregate intrinsic value, outstanding ending balance $ 0 $ 0 $ 23,750
Options vested or expected to vest 201,388    
Weighted-average exercise price, vested or expected to vest $ 36.46    
Weighted-average remaining life, vested or expected to vest 7 years 8 months 8 days    
Aggregate intrinsic value, vested or expected to vest $ 0    
Options exercisable 133,888 100,555  
Weighted-average exercise price, exercisable $ 52.10 $ 65.70  
Weighted-average remaining life, exercisable 6 years 8 months 8 days 7 years 1 month 20 days  
Aggregate intrinsic value, exercisable $ 0 $ 0