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Note 3 - Dividends	6 Months Ended
	Jun. 30, 2020
Notes to Financial Statements
Dividends Disclosure [Text Block]	3. Dividends On July 8, 2020, the Company declared a cash dividend on its common stock, payable on August 14, 2020 to stockholders of record as of July 31, 2020, equal to $0.25 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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