Note 4 - Loans and Other Real Estate Owned ("OREO") - Categories of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Gross loans, before fee	$ 901,624	$ 437,158
Less: net deferred loan fees	(1,014)	(819)
Total loans net of deferred loan fees	900,610	436,339
Less: allowance for credit losses	(9,512)	(4,379)	$ (3,951)	$ (3,861)
Net Loans	891,098	431,960
Commercial Portfolio Segment [Member]
Gross loans, before fee	161,695	87,990
Less: allowance for credit losses	(2,666)	(1,007)	(817)	(793)
Commercial Real Estate Portfolio Segment [Member]
Gross loans, before fee	341,595	212,595
Less: allowance for credit losses	(4,091)	(2,366)	(2,014)	(1,741)
Residential Portfolio Segment [Member] \| Real Estate Loan [Member]
Gross loans, before fee	354,070	121,345
Less: allowance for credit losses	(2,324)	(823)	(797)	(792)
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Gross loans, before fee	31,224	7,186
Less: allowance for credit losses	(266)	(83)	(74)	(60)
Consumer Portfolio Segment [Member] \| Consumer, Other [Member]
Gross loans, before fee	4,442	1,526
Less: allowance for credit losses	(64)	(18)	(18)	(44)
Consumer Portfolio Segment [Member] \| Automobile Loan [Member]
Gross loans, before fee	8,598	6,516
Less: allowance for credit losses	$ (101)	$ (82)	$ (84)	$ (85)

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amount of unamortized loan commitment, origination, and other costs (fees) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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