SUMMARY OF BLACK-SCHOLES OPTION PRICING MODEL TO STOCK OPTIONS GRANTED ASSUMPTION (Details) |
12 Months Ended | ||
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Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Expected dividends | 0.00% | 0.00% | 0.00% |
| Minimum [Member] | |||
| Risk free interest rate | 2.47% | 0.09% | 0.33% |
| Expected term (years) | 1 year | 1 year | 5 years |
| Expected volatility | 115.00% | 115.30% | 121.80% |
| Maximum [Member] | |||
| Risk free interest rate | 3.25% | 1.539% | 1.44% |
| Expected term (years) | 8 years | 8 years | 8 years |
| Expected volatility | 133.40% | 140.70% | 139.90% |
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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 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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