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Note 2 - Securities (Details Textual) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 01, 2022 USD ($)
Available For Sale Securities Transferred to Held For Sale					24
Available-for-Sale Securities, Amortized Cost Basis					$ 82,200
Debt Securities, Available-for-Sale, Total	$ 176,403	$ 176,403	$ 176,403	$ 289,495	$ 74,400
Debt Securities, Available-for-Sale, Unrealized Loss	$ 7,800	7,800	7,800
OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), before Tax		157
OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), after Tax		124
Weighted Average Re-pricing Term (Year)	6 years 1 month 6 days			5 years 2 months 12 days
Impairment Losses Related to Federal Home Loan Stock			0
Other Assets [Member]
Equity Securities without Readily Determinable Fair Value, Amount	$ 566	$ 566	$ 566	$ 504
US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	12	12	12	6
Available-for-Sale Securities, Number of Securities	12	12	12	8
US Agency and Mortgage-backed Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	122	122	122	58
Available-for-Sale Securities, Number of Securities	145	145	145	135
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	111	111	111	37
Available-for-Sale Securities, Number of Securities	116	116	116	118
Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	1	1	1
Available-for-Sale Securities, Number of Securities	1	1	1

X

- Definition

Amount of available-for-sale securities transferred to held-for-sale.

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Amount of unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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