Note 11 - Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023		Sep. 30, 2022
Balance	$ 52,196		$ 53,785
Net other comprehensive loss	(214)		(486)
Balance	50,701		52,896
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	1,348		3,624
Other comprehensive income (loss) before reclassifications	65		(146)
Tax effect	(14)		31
Amount reclassified from AOCI	(336)		(469)
Tax effect	71		98
Net other comprehensive loss	(214)		(486)
Balance	1,134		3,138
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	1,348	[1]	3,624
Other comprehensive income (loss) before reclassifications	65		(146)
Tax effect	(14)	[1]	31
Amount reclassified from AOCI	(336)	[1]	(469)
Tax effect	71	[1]	98
Net other comprehensive loss	(214)		(486)
Balance	$ 1,134	[1]	$ 3,138

[1] Amounts include no tax expense or benefit.