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Note 6 - Fair Value Measurements - Carrying Values and Estimated Values of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 01, 2022	Dec. 31, 2021
Fair value, available for sale securities	$ 176,403	$ 74,400	$ 289,495
Securities held to maturity	154,894
Restricted securities	1,908		1,813
Bank owned life insurance	24,375		24,294
Reported Value Measurement [Member]
Cash and interest-bearing deposits in banks	75,785		176,006
Fair value, available for sale securities	176,403		289,495
Securities held to maturity	154,894		33,441
Restricted securities	1,908		1,813
Loans, net	900,222		819,408
Bank owned life insurance	24,375		24,294
Accrued interest receivable	4,247		3,903
Derivatives - cash flow hedges	2,723		941
Deposits	1,266,046		1,248,752
Subordinated debt	4,995		9,993
Junior subordinated debt	9,279		9,279
Accrued interest payable	184		152
Loans held for sale			0
Estimate of Fair Value Measurement [Member]
Cash and interest-bearing deposits in banks	75,785		176,006
Fair value, available for sale securities	176,403		289,495
Securities held to maturity	142,920		33,617
Restricted securities	1,908		1,813
Loans, net	0		827,248
Bank owned life insurance	24,375		24,294
Accrued interest receivable	4,247		3,903
Derivatives - cash flow hedges	2,723		941
Deposits	0		1,248,287
Subordinated debt	0		8,932
Junior subordinated debt	0		8,145
Accrued interest payable	184		152
Loans held for sale			0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and interest-bearing deposits in banks	75,785		176,006
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
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	176,403		289,495
Securities held to maturity	142,920		33,617
Restricted securities	1,908		1,813
Loans, net	0		0
Bank owned life insurance	24,375		24,294
Accrued interest receivable	4,247		3,903
Derivatives - cash flow hedges	2,723		941
Deposits			1,103,186
Subordinated debt	0		0
Junior subordinated debt	0		0
Accrued interest payable	184		152
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			827,248
Bank owned life insurance	0		0
Accrued interest receivable	0		0
Derivatives - cash flow hedges	0		0
Deposits			145,101
Subordinated debt			8,932
Junior subordinated debt			8,145
Accrued interest payable	$ 0		0
Loans held for sale			$ 0

X

- Definition

The fair value portion of accrued interest payable.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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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.

+ References

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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.

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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

No definition available.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

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

+ References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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