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Note 20 - Stock Options (Tables) | 6 Months Ended
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Dec. 31, 2023
Notes Tables |
Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block] |
|  |  |  |  |  | Weighted Average |
|  | Options |  |  | Grant-Date Fair Value |
Non-vested at July 1, 2023 |  |  | 81,750 |  |  | $ | 5.53 |
Granted |  |  | 48,000 |  |  |  | 4.88 |
Vested |  |  | (21,000 | ) |  |  | - |
Non-vested at December 31, 2023 |  |  | 108,750 |  |  | $ | 5.38 |
|  |  |  |  |  | Weighted Average |
|  | Options |  |  | Grant-Date Fair Value |
Non-vested at July 1, 2022 |  |  | 75,875 |  |  | $ | 5.98 |
Granted |  |  | 25,000 |  |  |  | 5.18 |
Vested |  |  | (9,000 | ) |  |  | - |
Forfeited |  |  | (10,000 | ) |  |  | - |
Non-vested at December 31, 2022 |  |  | 81,875 |  |  | $ | 5.79 |
Employee Stock Option Plan 2017 [Member] |
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  | Weighted |  |  | Weighted Average Remaining |  |  |  |
|  |  |  |  |  | Average |  |  | Contractual |  |  | Aggregate |
|  | Options |  |  | Exercise Price |  |  | Term (Years) |  |  | Intrinsic Value |
Outstanding at July 1, 2023 |  |  | 216,375 |  |  | $ | 4.89 |  |  |  | 2.92 |  |  | $ | 140 |
Granted |  |  | 48,000 |  |  |  | 4.88 |  |  |  | - |  |  |  | - |
Exercised |  |  | (63,875 | ) |  |  | 3.12 |  |  |  | - |  |  |  | - |
Forfeited or expired |  |  | (3,500 | ) |  |  | 3.75 |  |  |  | - |  |  |  | - |
Outstanding at December 31, 2023 |  |  | 197,000 |  |  | $ | 5.48 |  |  |  | 3.51 |  |  | $ | 39 |
Exercisable at December 31, 2023 |  |  | 88,250 |  |  | $ | 5.59 |  |  |  | 3.08 |  |  | $ | 16 |
|  |  |  |  |  | Weighted Average |  |  | Weighted Average Remaining Contractual |  |  | Aggregate |
|  |  |  |  |  | Exercise |  |  | Term |  |  | Intrinsic |
|  | Options |  |  | Price |  |  | (Years) |  |  | Value |
Outstanding at July 1, 2022 |  |  | 236,375 |  |  | $ | 5.21 |  |  |  | 2.61 |  |  | $ | 87 |
Granted |  |  | 25,000 |  |  |  | 5.18 |  |  |  | - |  |  |  | - |
Exercised |  |  | (5,000 | ) |  |  | 3.75 |  |  |  | - |  |  |  | - |
Forfeited or expired |  |  | (40,000 | ) |  |  | - |  |  |  | - |  |  |  | - |
Outstanding at December 31, 2022 |  |  | 216,375 |  |  | $ | 5.16 |  |  |  | 2.49 |  |  | $ | 96 |
Exercisable at December 31, 2022 |  |  | 134,500 |  |  | $ | 4.78 |  |  |  | 1.73 |  |  | $ | 75 |
|  |  |  |  |  | Weighted |  |  | Weighted Average Remaining |  |  |  |
|  |  |  |  |  | Average |  |  | Contractual |  |  | Aggregate |
|  | Options |  |  | Exercise Price |  |  | Term (Years) |  |  | Intrinsic Value |
Outstanding at July 1, 2023 |  |  | 420,000 |  |  | $ | 4.91 |  |  |  | 2.91 |  |  | $ | 309 |
Granted |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited or expired |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Outstanding at December 31, 2023 |  |  | 420,000 |  |  | $ | 4.91 |  |  |  | 2.41 |  |  | $ | 352 |
Exercisable at December 31, 2023 |  |  | 420,000 |  |  | $ | 4.91 |  |  |  | 2.41 |  |  | $ | 352 |
|  |  |  |  |  | Weighted Average |  |  | Weighted Average Remaining Contractual |  |  | Aggregate |
|  |  |  |  |  | Exercise |  |  | Term |  |  | Intrinsic |
|  | Options |  |  | Price |  |  | (Years) |  |  | Value |
Outstanding at July 1, 2022 |  |  | 420,000 |  |  | $ | 5.10 |  |  |  | 2.85 |  |  | $ | 228 |
Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Forfeited or expired |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Outstanding at December 31, 2022 |  |  | 420,000 |  |  | $ | 5.10 |  |  | $ | 2.34 |  |  | $ | 255 |
Exercisable at December 31, 2022 |  |  | 420,000 |  |  | $ | 5.10 |  |  | $ | 2.34 |  |  | $ | 255 |

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