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Note 2 - Dividends	3 Months Ended
	Mar. 31, 2022
Notes to Financial Statements
Dividends Disclosure [Text Block]	2. Dividends On February 9, 2022, the Company declared a cash dividend on its common stock, payable on May 13, 2022 to stockholders of record as of April 29, 2022, equal to $0.27 per share.

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- Definition

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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