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Note 9 - Borrowings - Federal Home Loan Bank Advances (Details) (Parentheticals) | Dec. 31, 2020 | Dec. 31, 2019
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Federal Home Loan Bank Advances Maturing November 2024 [Member] |  |
Interest rate | 3.98% | 3.98%
Federal Home Loan Bank Advances Maturing April 2020 [Member] |  |
Interest rate |  | 1.99%
Federal Home Loan Bank Advances Maturing May 2020 [Member] |  |
Interest rate |  | 2.16%

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- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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