Note 9 - Segment Information and Disaggregated Revenue (Details Textual) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)
Number of Reportable Segments			2
Revenue from Contract with Customer, Including Assessed Tax	$ 13,947	$ 13,147	$ 40,178	$ 37,571
Europe [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 3,228	$ 1,980	$ 7,768	$ 5,245