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Note 2 - Securities (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Weighted Average Re-pricing Term (Year) | 5 years 2 months 12 days | 3 years 6 months
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale, Total | $ 54,551 | $ 34,057
Debt Securities, Available-for-sale, Realized Gain | 37 | 40
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities | 4,700 | 3,300
Proceeds from Sale of Held-to-maturity Securities | 0 | 0
Debt Securities, Available-for-sale, Restricted | 83,800 | 66,500
Impairment Losses Related to Federal Home Loan Stock | 0 |
Other Assets [Member] |  |
Equity Securities without Readily Determinable Fair Value, Amount | $ 504 | $ 529
US Treasury Securities [Member] |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 6 |
Available-for-Sale Securities, Number of Securities | 8 |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 58 | 7
Available-for-Sale Securities, Number of Securities | 135 | 101
US States and Political Subdivisions Debt Securities [Member] |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 37 | 1
Available-for-Sale Securities, Number of Securities | 118 | 84

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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563 + Details
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