Share-Based Expense (Details - Assumptions Employee) - Share-Based Payment Arrangement, Option [Member] - $ / shares |
12 Months Ended | |
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Dec. 31, 2022 |
Dec. 31, 2021 |
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| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | ||
| Weighted-average expected dividend yield | 0.00% | 0.00% |
| Weighted-average expected volatility | 126.51% | 132.64% |
| Weighted-average risk-free interest rate | 2.90% | 1.16% |
| Weighted-average expected life of option | 5 years 8 months 19 days | 5 years 8 months 23 days |
| Weighted-average exercise price | $ 0.83 | $ 2.15 |
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- Definition Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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