Note 3 - Investments - Investment Income or Loss Reflected in Earnings From Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Realized losses on equity securities	$ (818)	$ 0
Realized gains on debt securities	336	469
Unrealized losses on equity securities	(443)	(1,930)
Unrealized losses on embedded derivatives	(79)	0
Unrealized losses on cash equivalents	(1)	0
Dividend and interest income	582	418
Realized foreign currency losses	(90)	(417)
Total Net Investment Income (Loss)	$ (513)	$ (1,460)