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Note 5 - Fair Value Measurements (Tables)

9 Months Ended

Mar. 31, 2025

Notes Tables

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

			Fair Value Measurements at March 31, 2025
Financial Assets	Balance Sheet Location		Level 1				Level 2				Level 3				Total
Corporate money market funds (1)	Cash and cash equivalents		$	26,072			$	-			$	-			$	26,072
U.S. Treasury bills (2)	Investments, short-term			-				107,202				-				107,202
U.S. Treasury notes (2)	Investments, long-term			-				10,041				-				10,041
Total			$	26,072			$	117,243			$	-			$	143,315

			Fair Value Measurements at June 30, 2024
Financial Assets	Balance Sheet Location		Level 1				Level 2				Level 3				Total
Corporate money market funds (1)	Cash and cash equivalents		$	33,487			$	-			$	-			$	33,487
U.S. Treasury bills (2)	Investments, short-term			-				91,319				-				91,319
U.S. Treasury notes (2)	Investments, long-term			-				34,772				-				34,772
Total			$	33,487			$	126,091			$	-			$	159,578

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- Definition

Tabular disclosure of financial instrument measured at fair value on recurring or nonrecurring basis. Includes, but is not limited to, instrument classified in shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

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- References

No definition available.

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