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Note 4 - Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2025

Notes Tables

Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]

		December 31, 2025
		Level 1				Level 2				Level 3				Total
		(In thousands)
Money market fund deposits		$	67,404			$	-			$	-			$	67,404
Mutual fund investments			12				-				-				12
Total		$	67,416			$	-			$	-			$	67,416
Amounts included in:
Cash and cash equivalents		$	67,404			$	-			$	-			$	67,404
Investments in marketable securities			12				-				-				12
Total		$	67,416			$	-			$	-			$	67,416

		September 30, 2025
		Level 1				Level 2				Level 3				Total
		(In thousands)
Money market fund deposits		$	66,739			$	-			$	-			$	66,739
Mutual fund investments			12				-				-				12
Total		$	66,751			$	-			$	-			$	66,751
Amounts included in:
Cash and cash equivalents		$	66,739			$	-			$	-			$	66,739
Investments in marketable securities			12				-				-				12
Total		$	66,751			$	-			$	-			$	66,751

X

- Definition

Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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/2003/role/disclosureRef
-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

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Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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