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Note 8 - Fair Value Measurement (Tables)

6 Months Ended

Dec. 31, 2022

Notes Tables

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

		*December 31, 2022*
		*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			18,926				18,926				—				—				18,926
ETFs - Corporate & Government Debt			6,912				6,912				—				—				6,912
Time deposits: 91-360 days			5,115				—				5,115				—				5,115
Total Available-for-Sale Investments		$	30,953			$	25,838			$	5,115			$	—			$	30,953

		*June 30, 2022*
		*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			19,191				19,191				—				—				19,191
ETFs - Corporate & Government Debt			6,982				6,982				—				—				6,982
Time deposits: 91-360 days			—				—				—				—				—
Total Available-for-Sale Investments		$	26,173			$	26,173			$	—			$	—			$	26,173

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

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