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Note 2 - Securities (Details Textual) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Sep. 01, 2022 USD ($)
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss	$ 803
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss	$ 600
Weighted Average Re-pricing Term (Year)	6 years 6 months		6 years 6 months
Available For Sale Securities Transferred to Held For Sale				24
Debt Securities, Available-for-Sale, Amortized Cost	$ 183,536		$ 186,826	$ 82,200
Debt Securities, Available-for-Sale, Total	162,355		162,907	74,400
Debt Securities, Available-for-Sale, Unrealized Loss				$ 7,800
OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), before Tax		$ 316
Other Assets [Member]
Equity Securities without Readily Determinable Fair Value, Amount	$ 636		599
US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	3
Available-for-Sale Securities, Number of Securities	3
Debt Securities, Available-for-Sale, Amortized Cost	$ 12,471		12,468
Debt Securities, Available-for-Sale, Total	$ 11,445		11,229
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	94
Available-for-Sale Securities, Number of Securities	109
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	80
Available-for-Sale Securities, Number of Securities	98
Debt Securities, Available-for-Sale, Amortized Cost	$ 64,301		64,386
Debt Securities, Available-for-Sale, Total	$ 56,004		$ 54,760

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