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Note 10 - Borrowings (Details Textual) - USD ($) $ in Thousands			1 Months Ended
	Aug. 15, 2023	Jun. 06, 2022	Sep. 30, 2022	Sep. 30, 2023	Dec. 31, 2022
Long-Term Federal Home Loan Bank Advances				$ 19,000	$ 35,400
Credit Agreement With Commercial Bank [Member]
Debt Instrument, Face Amount	$ 400
Debt Instrument, Term (Year)	15 years
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Long-Term Debt				392
Promissory Note [Member]
Debt Instrument, Face Amount		$ 4,000
Debt Instrument, Term (Year)		4 years
Debt Instrument, Interest Rate, Stated Percentage		3.35%
Long-Term Debt				3,250	$ 3,700
Debt Instrument, Periodic Payment, Total			$ 150
Bank Term Funding Program (BTFP) [Member] | Federal Reserve Bank Advances [Member]
Short-Term Debt				$ 83,300

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Face (par) amount of debt instrument at time of issuance.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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