Note 9 - Segment Information and Disaggregated Revenue (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Number of Reportable Segments			2
Revenue from Contract with Customer, Including Assessed Tax	$ 13,147	$ 13,098	$ 37,571	$ 37,678
Europe [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,980	$ 2,188	$ 5,245	$ 6,576

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details