Note 9 - Cash Dividends (Details Textual) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	9 Months Ended
Apr. 30, 2024	Mar. 31, 2024	Mar. 31, 2023
Payments of Dividends, Total		$ 4.3	$ 4.1
Annual Indicated per Share Dividend Rate		$ 0.2
Subsequent Event [Member]
Quarterly Indicated Per Share Dividend Rate	$ 0.05
Dividends Payable, Date to be Paid	May 14, 2024
Dividends Payable, Date of Record	May 06, 2024

The indicated per share dividend rate for a specific fiscal year.

No definition available.

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- Definition

The indicated per share quarterly cash dividend rate.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

+ Details

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- Definition

Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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