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Note 2 - Dividends | 3 Months Ended
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Mar. 31, 2021
Notes to Financial Statements |
Dividends Disclosure [Text Block] | 2. Dividends On April 14, 2021, the Company declared a cash dividend on its common stock, payable on May 14, 2021 to stockholders of record as of April 30, 2021, equal to $0.26 per share.

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