Note 5 - Allowance for Loan Losses - Impairment Evaluation of Financing Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Loans individually evaluated for impairment	$ 3,277	$ 2,334
Loans collectively evaluated for impairment	582,314	569,513
Loans and Leases Receivable, Gross	585,591	571,847
Commercial Real Estate Portfolio Segment [Member]
Loans individually evaluated for impairment	3,081	2,102
Loans collectively evaluated for impairment	469,776	462,674
Loans and Leases Receivable, Gross	472,857	464,776
Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment	196	232
Loans collectively evaluated for impairment	96,808	92,890
Loans and Leases Receivable, Gross	97,004	93,122
Consumer Portfolio Segment [Member]
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	15,730	13,949
Loans and Leases Receivable, Gross	$ 15,730	$ 13,949

The balance of financing receivables that were collectively evaluated for impairment.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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