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Note H - Segment Information (Details Textual) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Number of Reportable Segments |  |  | 2 |
Products Manufactured by NAIE [Member] | Product Concentration Risk [Member] | Revenue Benchmark [Member] | Non-US [Member] |  |  |  |
Concentration Risk, Percentage | 81.00% | 85.00% | 76.00% | 84.00%

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