Note 7 - Warranty Reserves - Changes in Warranty Reserve (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Mar. 31, 2024	Jun. 30, 2023
Balance at beginning of year	$ 2,094	$ 1,918
Acquisitions and other charges	146	0
Warranty expense	1,223	1,939
Warranty claims	(1,064)	(1,763)
Balance at end of period	$ 2,399	$ 2,094