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Note 2 - Dividends	9 Months Ended
	Sep. 30, 2021
Notes to Financial Statements
Dividends Disclosure [Text Block]	2. Dividends On July 14, 2021, the Company declared a cash dividend on its common stock, payable on August 13, 2021 to stockholders of record as of July 30, 2021, equal to $0.26 per share; and on August 17, 2021, the Company declared a cash dividend on its common stock, payable on November 15, 2021 to stockholders of record as of November 1, 2021, equal to $0.26 per share.

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Disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date.

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