Note 9 - Fair Value Measurement (Tables)

6 Months Ended

Dec. 31, 2024

Notes Tables

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

	December 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		14,457		14,457		—		—		14,457
ETFs - Corporate & Government Debt		7,074		7,074		—		—		7,074
Total Available-for-Sale Investments	$	21,531	$	21,531	$	—	$	—	$	21,531

	June 30, 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		14,426		14,426		—		—		14,426
ETFs - Corporate & Government Debt		7,048		7,048		—		—		7,048
Total Available-for-Sale Investments	$	21,474	$	21,474	$	—	$	—	$	21,474