Note 4 - Investments - Investment Income or Loss Reflected in Earnings From Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Realized gains on equity securities	$ 1,848	$ 16,566
Realized gains on debt securities	2,191	1,180
Unrealized gains (losses) on equity securities	(9,375)	9,909
Unrealized losses on embedded derivatives	(2,539)	0
Dividend and interest income	1,949	464
Realized foreign currency gains (losses)	(248)	219
Total Investment Income (Loss)	$ (6,174)	$ 28,338