Note 11 - Share-based Compensation - Options Award Assumptions (Details) - Share-Based Payment Arrangement, Option [Member] - $ / shares |
6 Months Ended | |
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Jun. 30, 2025 |
Jun. 30, 2024 |
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| Weighted average grant date fair value (in dollars per share) | $ 2.57 | $ 3.91 |
| Expected term (years) (Year) | 5 years 10 months 20 days | |
| Expected volatility | 52.00% | 68.00% |
| Expected dividends yield | 0.00% | 0.00% |
| Exercise price (in dollars per share) | $ 6.33 | |
| Minimum [Member] | ||
| Expected term (years) (Year) | 5 years 1 month 20 days | |
| Risk-free interest rate, minimum | 3.50% | 4.00% |
| Exercise price (in dollars per share) | $ 2.2 | |
| Maximum [Member] | ||
| Expected term (years) (Year) | 5 years 6 months 7 days | |
| Risk-free interest rate, maximum | 3.51% | 4.10% |
| Exercise price (in dollars per share) | $ 2.93 | |
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- Definition Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 maximum 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 The minimum 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 The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. 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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