Note 6 - Fair Value Measurements - Carrying Values and Estimated Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair value, available for sale securities	$ 217,655	$ 217,538
Restricted securities	5,642	5,624
Bank owned life insurance	38,837	38,577
Reported Value Measurement [Member]
Cash and interest-bearing deposits in banks	187,809	160,910
Fair value, available for sale securities	217,655	217,538
Securities held to maturity	101,261	102,872
Restricted securities	5,642	5,624
Loans, net	1,449,708	1,435,026
Bank owned life insurance	38,837	38,577
Accrued interest receivable	6,656	6,467
Derivatives - cash flow hedges	2,288	2,292
Deposits	1,837,292	1,799,548
Other borrowings	25,000	25,000
Subordinated debt	8,385	8,312
Junior subordinated debt	9,279	9,279
Accrued interest payable	1,347	1,562
Loans held for sale		0
Estimate of Fair Value Measurement [Member]
Cash and interest-bearing deposits in banks	187,809	160,910
Fair value, available for sale securities	217,655	217,538
Securities held to maturity	94,070	102,872
Restricted securities	5,642	5,624
Loans, net	1,437,769	1,420,784
Bank owned life insurance	38,837	38,577
Accrued interest receivable	6,656	6,467
Derivatives - cash flow hedges	2,288	2,292
Deposits	1,833,877	1,797,109
Other borrowings	24,960	24,960
Subordinated debt	6,847	6,774
Junior subordinated debt	8,242	8,240
Accrued interest payable	1,347	1,562
Loans held for sale		0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Cash and interest-bearing deposits in banks	187,809	160,910
Fair value, available for sale securities	0	0
Securities held to maturity	0	0
Restricted securities	0	0
Loans, net	0	0
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Derivatives - cash flow hedges	0	0
Deposits	0	0
Other borrowings	0	0
Subordinated debt	0	0
Junior subordinated debt	0	0
Accrued interest payable	0	0
Loans held for sale		0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Cash and interest-bearing deposits in banks	0	0
Fair value, available for sale securities	217,655	217,538
Securities held to maturity	94,070	102,872
Restricted securities	5,642	5,624
Loans, net	0	0
Bank owned life insurance	38,837	38,577
Accrued interest receivable	6,656	6,467
Derivatives - cash flow hedges	2,288	2,292
Deposits	1,477,722	1,436,453
Other borrowings	0	0
Subordinated debt	0	0
Junior subordinated debt	0	0
Accrued interest payable	1,347	1,562
Loans held for sale		0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Cash and interest-bearing deposits in banks	0	0
Fair value, available for sale securities	0	0
Securities held to maturity	0	0
Restricted securities	0	0
Loans, net	1,437,769	1,420,784
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Derivatives - cash flow hedges	0	0
Deposits	356,155	360,656
Other borrowings	24,960	24,960
Subordinated debt	6,847	6,774
Junior subordinated debt	8,242	8,240
Accrued interest payable	$ 0	0
Loans held for sale		$ 0

The fair value portion of accrued interest payable.

No definition available.

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- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

+ References

No definition available.

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Fair value of junior subordinated debt which has a lower priority of repayment than subordinated debt in the event the company falls into liquidation or bankruptcy.

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No definition available.

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Fair value of subordinated debt obligations.

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No definition available.

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The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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Fair value of all asset derivatives designated as cash flow hedging instruments.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Amount excluding accrued interest, 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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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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