Note 12 - Fair Value Measurements - Carrying Values and Estimated Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Fair value, available for sale securities	$ 123,193	$ 120,983
Securities held to maturity	16,211
Restricted securities	1,848	1,806
Bank owned life insurance	17,661	17,447
Fair Value, Inputs, Level 1 [Member]
Fair value, available for sale securities	0	0
Fair Value, Inputs, Level 2 [Member]
Fair value, available for sale securities	123,193	120,983
Fair Value, Inputs, Level 3 [Member]
Fair value, available for sale securities	0	0
Reported Value Measurement [Member]
Cash and short-term investments	108,279	45,785
Fair value, available for sale securities	123,193	120,983
Securities held to maturity	16,211	17,627
Restricted securities	1,848	1,806
Loans held for sale	170	167
Loans, net	645,220	569,412
Bank owned life insurance	17,661	17,447
Accrued interest receivable	3,863	2,065
Deposits	839,015	706,442
Subordinated debt	9,982	4,983
Junior subordinated debt	9,279	9,279
Derivatives - cash flow hedges	31
Accrued interest payable	154	184
Estimate of Fair Value Measurement [Member]
Cash and short-term investments	108,279	45,785
Fair value, available for sale securities	123,193	120,983
Securities held to maturity	16,737	17,646
Restricted securities	1,848	1,806
Loans held for sale	170	167
Loans, net	650,607	572,910
Bank owned life insurance	17,661	17,447
Accrued interest receivable	3,863	2,065
Deposits	840,151	705,949
Subordinated debt	10,173	5,023
Junior subordinated debt	8,988	9,724
Derivatives - cash flow hedges	31
Accrued interest payable	154	184
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Cash and short-term investments	108,279	45,785
Fair value, available for sale securities	0	0
Securities held to maturity	0	0
Restricted securities	0	0
Loans held for sale	0	0
Loans, net	0	0
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	0	0
Subordinated debt	0	0
Junior subordinated debt	0	0
Derivatives - cash flow hedges	0
Accrued interest payable	0	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Cash and short-term investments	0	0
Fair value, available for sale securities	123,193	120,983
Securities held to maturity	15,148	16,134
Restricted securities	1,848	1,806
Loans held for sale	170	167
Loans, net	0	0
Bank owned life insurance	17,661	17,447
Accrued interest receivable	3,863	2,065
Deposits	724,738	588,878
Subordinated debt	0	0
Junior subordinated debt	0	0
Derivatives - cash flow hedges	31
Accrued interest payable	154	184
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Cash and short-term investments	0	0
Fair value, available for sale securities	0	0
Securities held to maturity	1,589	1,512
Restricted securities	0	0
Loans held for sale	0	0
Loans, net	650,607	572,910
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Deposits	115,413	117,071
Subordinated debt	10,173	5,023
Junior subordinated debt	8,988	9,724
Derivatives - cash flow hedges	0
Accrued interest payable	$ 0	$ 0

The fair value portion of accrued interest payable.

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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Fair value of subordinated debt obligations.

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No definition available.

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- Definition

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
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- Definition

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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- Definition

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

No definition available.

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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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- Definition

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.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

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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- 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.

+ References

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- Definition

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

No definition available.

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