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Note 5 - Shareholders' Equity - Dividend Policy (Details)	9 Months Ended
	Sep. 30, 2024 USD ($) $ / shares
Dividends, amount per share (in dollars per share) | $ / shares	$ 0.084
Dividends, cash outlay | $	$ 2,551,000
O 2024 Q1 Dividends [Member]
Dividends, declaration date	Feb. 19, 2024
Dividends, amount per share (in dollars per share) | $ / shares	$ 0.028
Dividends Payable, Date of Record	Mar. 11, 2024
Dividends, cash outlay | $	$ 849,000
O 2024 Q2 Dividends [Member]
Dividends, declaration date	Apr. 22, 2024
Dividends, amount per share (in dollars per share) | $ / shares	$ 0.028
Dividends Payable, Date of Record	May 06, 2024
Dividends, cash outlay | $	$ 851,000
O 2024 Q3 Dividends [Member]
Dividends, declaration date	Jul. 22, 2024
Dividends, amount per share (in dollars per share) | $ / shares	$ 0.028
Dividends Payable, Date of Record	Aug. 05, 2024
Dividends, cash outlay | $	$ 851,000

X

- Definition

Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477787/942-405-45-2

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X

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ 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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X

- Definition

Date the dividend to be paid was declared, 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

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X

- Definition

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

+ References

No definition available.

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