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Note N - Segment Information (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($)
Number of Reportable Segments | 2 |
Revenue from Contract with Customer, Including Assessed Tax | $ 113,796 | $ 154,015
Non-US [Member] |  |
Revenue from Contract with Customer, Including Assessed Tax | 40,284 | 44,738
UNITED STATES |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 73,512 | $ 109,277
Products Manufactured by NAIE [Member] | Non-US [Member] | Product Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Concentration Risk, Percentage | 79.00% | 79.00%
Products Manufactured by NAIE [Member] | UNITED STATES |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 0 | $ 0

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