Note 14 - Business Segments (Details Textual) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Number of Operating Segments	4		4
Revenue from Contract with Customer, Including Assessed Tax	$ 9,842	$ 11,138	$ 34,171	$ 32,231
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 64	$ 232	$ 733	$ 1,052