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Summary of Significant Accounting Policies (Details - Option activity) - $ / shares shares in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Number of shares options outstanding at the beginning of period | 8,125 |
Number of shares options outstanding at the end of period | 6,487 |
Number of shares options exercisable at the end of period | 5,127 | 6,062
Equity Option [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Number of shares options outstanding at the beginning of period | 8,125 |
Weighted average exercise price options outstanding at the beginning of period | $ 5.11 |
Number of shares granted | 0 |
Weighted average exercise price granted | $ 0 |
Number of shares exercised | (1,428) |
Weighted average exercise price exercised | $ 4.14 |
Number of shares forfeited | (210) |
Weighted average exercise price forfeited | $ 4.64 |
Number of shares options outstanding at the end of period | 6,487 |
Weighted average exercise price options outstanding at the end of period | $ 5.34 |
Weighted average remaining contractual term Options outstanding at the end of period | 3 years 1 month 24 days |
Number of shares options exercisable at the end of period | 5,127 |
Weighted average exercise price options exercisable at the end of period | $ 4.66 |
Weighted average remaining contractual term Options exercisable at the end of period | 2 years 9 months 18 days |

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