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Note 7 - Investments (Tables)

12 Months Ended

Jun. 30, 2024

Notes Tables

Investment [Table Text Block]

		June 30, 2024
		Amortized cost				Gross unrealized gains				Gross unrealized losses				Fair Value
Due within one year		$	89,997			$	1,322			$	-			$	91,319
Due within one and two years			34,894				-				(122	)			34,772
Total		$	124,891			$	1,322			$	(122	)		$	126,091

		June 30, 2023
		Amortized cost				Gross unrealized gains				Gross unrealized losses				Fair Value
Due within one year		$	109,996			$	581			$	-			$	110,577
Total		$	109,996			$	581			$	-			$	110,577

X

- Definition

Tabular disclosure of investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/320/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 321
-Publisher FASB
-URI https://asc.fasb.org/321/tableOfContent

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 325
-Publisher FASB
-URI https://asc.fasb.org/325/tableOfContent

+ Details

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Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration