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Note 12 - Regulatory Capital (Details Textual) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 $ / shares | Dec. 31, 2023 $ / shares | Dec. 31, 2022 $ / shares
Tier One Leverage Capital Required to be Well Capitalized to Average Assets | 0.075 | 0.075 |
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.12 | $ 1.05 | $ 1.24

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + Details
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- Definition Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
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