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Note J - Treasury Stock (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Sep. 18, 2020
Treasury Stock, Value, Acquired, Cost Method | $ 1,758,000 | $ 1,317,000 | $ 3,501,000 | $ 1,332,000 |
Stock Repurchase Plan [Member] |  |  |  |  |
Stock Repurchase Program, Additional Amount Authorized |  |  |  |  | $ 2,000,000
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 12,000,000
Treasury Stock, Shares, Acquired (in shares) | 175,123 | 150,307 | 410,513 | 151,338 |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 9.72 | $ 8.33 | $ 8.38 | $ 8.33 |
Treasury Stock, Value, Acquired, Cost Method | $ 1,700,000 | $ 1,300,000 | $ 3,400,000 | $ 1,300,000 |
Stock Repurchase Plan [Member] | Employees and Directors [Member] |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 30,442 |  | 30,442 |  |
Stock Repurchase Plan In Connection With Restricted Stock [Member] |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 7,744 | 7,644 | 8,436 | 8,330 |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 7.40 | $ 8.67 | $ 7.34 | $ 8.74 |
Treasury Stock, Value, Acquired, Cost Method | $ 57,000 | $ 66,000 | $ 62,000 | $ 73,000 |

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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