Note 2 - Investments (Tables)

9 Months Ended

Mar. 31, 2024

Notes Tables

Debt Securities, Available-for-Sale [Table Text Block]

	March 31, 2024
Available-for-Sale Investments	Adjusted		Unrealized		Unrealized			Fair
(In thousands)	Cost		Gain		Loss			Value
Mutual Funds - Corporate & Government Debt	$	19,990	$	—	$	(846	)	$	19,144
ETFs - Corporate & Government Debt		7,375		—		(323	)		7,052
Time Deposits		—		—		—			—
Total	$	27,365	$	—	$	(1,169	)	$	26,196

	June 30, 2023
Available-for-Sale Investments	Adjusted		Unrealized		Unrealized			Fair
(In thousands)	Cost		Gain		Loss			Value
Mutual Funds - Corporate & Government Debt	$	19,990	$	—	$	(1,025	)	$	18,965
ETFs - Corporate & Government Debt		7,376		—		(418	)		6,958
Time Deposits		2,006		—		(10	)		1,996
Total	$	29,372	$	—	$	(1,453	)	$	27,919

	Carrying Value
	Short-Term Investments
(In thousands)	March 31, 2024		June 30, 2023
Money Market Funds
Mutual Funds - Corporate & Government Debt	$	19,144	$	18,965
ETFs - Corporate & Government Debt		7,052		6,958
Time Deposits
Maturities from 91-360 days		—		1,996
Total	$	26,196	$	27,919