Annual report pursuant to Section 13 and 15(d)

Share-Based Expense (Details - Non-employee option activity)

v3.23.1
Share-Based Expense (Details - Non-employee option activity) - Non Employee Stock Options [Member] - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Options outstanding, beginning balance 20,075 20,318  
Weighted-average exercise price outstanding, beginning balance $ 12.06 $ 14.61  
Weighted-average remaining life outstanding ending 1 year 9 months 29 days 2 years 9 months 29 days 3 years 9 months 14 days
Aggregate intrinsic value, outstanding beginning balance $ 3,255 $ 14,880  
Options granted 0 0  
Weighted-average exercise price, granted $ 0 $ 0  
Options expired 0 (243)  
Weighted-average exercise price, forfeited/expired $ 0 $ 225.72  
Options expired 0 243  
Options outstanding, ending balance 20,075 20,075 20,318
Weighted-average exercise price, ending balance $ 12.06 $ 12.06 $ 14.61
Aggregate intrinsic value, outstanding ending balance $ 0 $ 3,255 $ 14,880
Options vested or expected to vest 20,075    
Weighted-average exercise price, vested or expected to vest $ 12.06    
Weighted-average remaining life, vested or expected to vest 1 year 9 months 29 days    
Aggregate intrinsic value, vested or expected to vest $ 0    
Options exercisable 20,075 20,075  
Weighted-average exercise price, exercisable $ 12.06 $ 12.06  
Weighted-average remaining life, exercisable 1 year 9 months 29 days 2 years 9 months 29 days  
Aggregate intrinsic value, exercisable $ 0 $ 3,255