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Note J - Treasury Stock - Treasury Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Treasury Stock Acquired, Shares (in shares) | 1,435 | 1,407
Treasury Stock Acquired, Total Cost | $ 5 | $ 8
Stock Repurchase Plan [Member] |  |
Treasury Stock Acquired, Shares (in shares) | 0 | 0
Treasury Stock Acquired, Average Cost (in dollars per share) | $ 0 | $ 0
Treasury Stock Acquired, Total Cost | $ 0 | $ 0
Stock Repurchased from Employee for Restricted Stock Vesting [Member] |  |
Treasury Stock Acquired, Shares (in shares) | 1,435 | 1,407
Treasury Stock Acquired, Average Cost (in dollars per share) | $ 3.61 | $ 5.72
Treasury Stock Acquired, Total Cost | $ 5 | $ 8

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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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