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Note 7 - Stockholders' Equity - Common Share Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  | 12 Months Ended
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Dec. 01, 2022 | Sep. 01, 2022 | Jun. 01, 2022 | Mar. 01, 2022 | Dec. 01, 2021 | Sep. 01, 2021 | Jun. 01, 2021 | Mar. 01, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Dividend (in dollars per share) | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.05 |  |
Total paid | $ 833 | $ 829 | $ 827 | $ 822 | $ 822 | $ 822 | $ 817 | $ 680 | $ 3,311 | $ 3,141

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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