Note 14 - Business Segments (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Number of Operating Segments			4
Revenue from Contract with Customer, Including Assessed Tax	$ 12,390	$ 10,922	$ 24,329	$ 21,093
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 115	$ 232	$ 669	$ 820