Note 13 - Stockholders' Equity - Key Assumptions (Details) |
12 Months Ended | |
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Dec. 31, 2024 |
Dec. 31, 2023 |
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Volatility | 88.03% | 91.40% |
Risk-free interest rate | 4.26% | 4.30% |
X | ||||||||||
- 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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X | ||||||||||
- 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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