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Summary of Significant Accounting Policies (Details - Option activity) - $ / shares
shares in Thousands
 3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Options outstanding 11,167  
Options outstanding 10,081  
Options exercisable at the end of period 6,871 7,770
Equity Option [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Options outstanding 11,167  
Options outstanding, per share $ 5.21  
Granted 0  
Granted, per share $ 0  
Exercised (1,086)  
Exercised, per share $ 6.41  
Forfeited 0  
Forfeited, per share $ 0  
Options outstanding 10,081  
Options outstanding, per share $ 5.08  
Options Outstanding, Weighted Average Remaining Contractual Term 3 years 2 months 19 days  
Options exercisable at the end of period 6,871  
Options exercisable at the end of period $ 4.43  
Options Exercisable, Weighted Average Remaining Contractual Term 2 years 3 months 14 days