Note 8 - Fair Value Measurement (Tables)

9 Months Ended

Mar. 31, 2024

Notes Tables

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	March 31, 2024
	Carrying		Fair Value Measured Using						Fair
(In thousands)	Amount		Level 1		Level 2		Level 3		Value
Available-for-Sale Investments
Short-Term Investments
Mutual Funds - Corporate & Government Debt	$	19,144	$	19,144	$	—	$	—	$	19,144
ETFs - Corporate & Government Debt		7,052		7,052		—		—		7,052
Total Available-for-Sale Investments	$	26,196	$	26,196	$	—	$	—	$	26,196

	June 30, 2023
	Carrying		Fair Value Measured Using						Fair
(In thousands)	Amount		Level 1		Level 2		Level 3		Value
Available-for-Sale Investments
Short-Term Investments
Mutual Funds - Corporate & Government Debt	$	18,965	$	18,965	$	—	$	—	$	18,965
ETFs - Corporate & Government Debt		6,958		6,958		—		—		6,958
Time deposits: 91-360 days		1,996		—		1,996		—		1,996
Total Available-for-Sale Investments	$	27,919	$	25,923	$	1,996	$	—	$	27,919