Note 18 - Stock-Based Compensation - Stock Options, Valuation Assumptions (Details) - Share-Based Payment Arrangement, Nonemployee [Member] - $ / shares |
12 Months Ended | ||
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Volatility | 42.30% | 41.70% | 40.50% |
| Risk-free rate of return | 3.76% | 3.72% | 3.98% |
| Dividend yield | 4.93% | 4.93% | 4.70% |
| Expected average life (years) (Year) | 5 years 6 months | 5 years 3 months 18 days | 5 years 6 months |
| Grant date fair value (in dollars per share) | $ 7.34 | $ 7.35 | $ 8.65 |
| Fair value as a % of exercise price | 24.80% | 24.50% | 24.80% |
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- Definition The Fair Value as a percent of exercise price for share based payment awards. 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 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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- Details
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