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Note I - Stockholders' Equity - Treasury Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Treasury Stock Acquired, Shares (in shares) | 435,080 | 463,492
Treasury Stock Acquired, Average Cost (in dollars per share) |  |
Treasury Stock Acquired, Total Cost | $ 5,503 | $ 4,147
Stock Repurchase Plan [Member] |  |
Treasury Stock Acquired, Shares (in shares) | 406,817 | 385,822
Treasury Stock Acquired, Average Cost (in dollars per share) | $ 12.76 | $ 8.28
Treasury Stock Acquired, Total Cost | $ 5,190 | $ 3,197
Stock Repurchased from Employee for Restricted Stock Vesting [Member] |  |
Treasury Stock Acquired, Shares (in shares) | 28,263 | 47,228
Treasury Stock Acquired, Average Cost (in dollars per share) | $ 11.08 | $ 13.69
Treasury Stock Acquired, Total Cost | $ 313 | $ 647
Stock Repurchased in Connection with Stock Option Exercised [Member] |  |
Treasury Stock Acquired, Average Cost (in dollars per share) |  | $ 9.95
Shares acquired in connection with stock option exercises, shares (in shares) |  | 30,442
Shares acquired in connection with stock option exercises, cost |  | $ 303

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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 https://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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