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Note 12 - Shareholders' Equity (Tables) | 12 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
Risk-free interest rate |  |  | 0.9 | %
Expected volatility |  |  | 70.0 | %
Expected life (in years) |  |  | 5.25 |
Expected dividend yield |  |  | 1.0 | %
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  | Weighted Average |  |  | Weighted Average Remaining |  |  | Aggregate Intrinsic |
|  |  |  |  |  | Exercise |  |  | Contractual |  |  | Value |
(dollars in thousands, except price data) |  | Options |  |  | Price |  |  | Life in Years |  |  | (net of tax) |
Outstanding June 30, 2021 |  |  | 231,000 |  |  |  | 6.05 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Exercised |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Forfeited |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Outstanding June 30, 2022 |  |  | 231,000 |  |  | $ | 6.05 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Exercised |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Forfeited |  |  | (2,000 | ) |  |  | 6.05 |  |  |  |  |  |  |  |  |
Outstanding June 30, 2023 |  |  | 229,000 |  |  | $ | 6.05 |  |  |  | 7.98 |  |  | $ | - |
|  |  |  |  |  | Weighted Average |  |  | Weighted Average Remaining |  |  | Aggregate Intrinsic |
|  |  |  |  |  | Exercise |  |  | Contractual |  |  | Value |
(dollars in thousands, except price data) |  | Options |  |  | Price |  |  | Life in Years |  |  | (net of tax) |
Outstanding June 30, 2021 |  |  | 2,000 |  |  | $ | 2.74 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Exercised |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Forfeited |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Outstanding June 30, 2022 |  |  | 2,000 |  |  | $ | 2.74 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Exercised |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Forfeited |  |  | - |  |  |  | n/a |  |  |  |  |  |  |  |  |
Outstanding June 30, 2023 |  |  | 2,000 |  |  | $ | 2.74 |  |  |  | 4.72 |  |  | $ | 1.00 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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