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Note M - Stock-based Compensation (Tables) | 12 Months Ended
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Jun. 30, 2019
Notes Tables |
Schedule Of Share-based Compensation Shares Available For Future Options [Table Text Block] |
|  | 2019 |  |  | 2018 |
2018 LTI Plan |  |  | 742,325 |  |  |  | - |
2010 Directors' Plan |  |  | 61,354 |  |  |  | 80,938 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted Average |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Remaining |  |  | Aggregate |
|  |  |  |  |  | Average |  |  | Contractual |  |  | Intrinsic |
|  | 2019 |  |  | Price |  |  | Life (years) |  |  | Value |
Non-qualified stock options: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding at beginning of year |  |  | 7,200 |  |  | $ | 12.31 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Canceled/expired |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Exercised |  |  | (3,600 | ) |  |  | 10.01 |  |  |  |  |  |  |  |  |
Options outstanding at June 30 |  |  | 3,600 |  |  | $ | 14.61 |  |  |  | 1.00 |  |  | $ | 1.8 |

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