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Note N - Segment Information (Details Textual) $ in Thousands	12 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)
Number of Reportable Segments	2
Revenue from Contract with Customer, Including Assessed Tax	$ 129,860	$ 113,796
Non-US [Member]
Revenue from Contract with Customer, Including Assessed Tax	50,732	40,284
UNITED STATES
Revenue from Contract with Customer, Including Assessed Tax	$ 79,128	$ 73,512
Products Manufactured by NAIE [Member] | Non-US [Member] | Product Concentration Risk [Member] | Revenue Benchmark [Member]
Concentration Risk, Percentage	85.00%	79.00%
Products Manufactured by NAIE [Member] | UNITED STATES
Revenue from Contract with Customer, Including Assessed Tax	$ 0	$ 0

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- Definition

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