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Note J - Treasury Stock (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 13, 2020 | Jan. 08, 2020
Treasury Stock, Value, Acquired, Cost Method | $ 2,150,000 | $ 511,000 | $ 3,482,000 | $ 941,000 |  |
Stock Repurchase Plan [Member] |  |  |  |  |  |
Stock Repurchase Program, Additional Amount Authorized |  |  |  |  | $ 1,000,000 | $ 2,000,000
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 10,000,000 | $ 9,000,000
Treasury Stock, Shares, Acquired (in shares) | 210,832 | 5,748 | 362,170 | 42,697 |  |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 8.46 | $ 10.17 | $ 8.40 | $ 9.74 |  |
Treasury Stock, Value, Acquired, Cost Method | $ 1,800,000 | $ 58,000 | $ 3,000,000 | $ 416,000 |  |
Stock Repurchase Plan In Connection With Restricted Stock [Member] |  |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 53,176 | 39,118 | 61,506 | 46,656 |  |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 6.91 | $ 11.58 | $ 7.14 | $ 11.27 |  |
Treasury Stock, Value, Acquired, Cost Method | $ 367,000 | $ 453,000 | $ 439,000 | $ 525,000 |  |

X
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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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