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Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Gross loans |  | $ 803,729 | $ 770,027
Loans past due 90 days or more and still accruing |  | 90 | 17
Nonaccruals |  | 2,873 | 3,685
Financing Receivables 30 to 89 Days Past Due [Member] |  |  |
Gross loans |  | 987 | 1,497
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Gross loans |  | 356 | 1,331
Real Estate Construction Portfolio Segment[Member] |  |  |
Gross loans |  | 48,841 | 42,266
Loans past due 90 days or more and still accruing | [1] | 0 |
Nonaccruals | [1] | 0 |
Real Estate Construction Portfolio Segment[Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |
Gross loans | [1] | 14 |
Real Estate Construction Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Gross loans | [1] | 0 |
Consumer Real Estate Portfolio Segment [Member] |  |  |
Gross loans |  | 208,977 | 181,782
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] |  |  |
Loans past due 90 days or more and still accruing | [1] | 58 |
Nonaccruals | [1] | 0 | 62
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] |  |  |
Loans past due 90 days or more and still accruing | [1] | 29 |
Nonaccruals | [1] |  |
Consumer Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Closed End First Liens [Member] |  |  |
Gross loans | [1] | 715 | 365
Consumer Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Equity Lines [Member] |  |  |
Gross loans | [1] | 50 |
Consumer Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Investor Owned Residential Real Estate [Member] |  |  |
Gross loans | [1] |  | 106
Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Closed End First Liens [Member] |  |  |
Gross loans | [1] | 58 | 62
Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Equity Lines [Member] |  |  |
Gross loans | [1] | 29 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Gross loans |  | 405,722 | 393,115
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |
Nonaccruals | [1] | 2,572 | 2,941
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] |  |  |
Nonaccruals | [1] |  | 654
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |
Gross loans | [1] | 12 | 15
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |
Gross loans | [1] | 266 | 571
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Other [Member] |  |  |
Gross loans | [1] |  | 654
Commercial Non Real Estate Segment [Member] |  |  |
Gross loans |  | 60,264 | 78,771
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] |  |  |
Nonaccruals | [1] | 301 | 28
Commercial Non Real Estate Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Commercial and Industrial [Member] |  |  |
Gross loans | [1] | 13 | 730
Commercial Non Real Estate Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial and Industrial [Member] |  |  |
Gross loans | [1] | 0 | 27
Consumer Non Real Estate Portfolio Segment [Member] |  |  |
Gross loans |  | 32,026 | 33,110
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] |  |  |
Loans past due 90 days or more and still accruing | [1] | 2 | 3
Nonaccruals |  |  | 0
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] |  |  |
Loans past due 90 days or more and still accruing | [1] | 0 | 1
Nonaccruals |  |  | 0
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |
Loans past due 90 days or more and still accruing | [1] | 1 | 13
Nonaccruals |  |  | 0
Consumer Non Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Credit Card Receivable [Member] |  |  |
Gross loans | [1] | 2 | 7
Consumer Non Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Automobile Loan [Member] |  |  |
Gross loans | [1] | 93 | 144
Consumer Non Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member] | Other Consumer Loans [Member] |  |  |
Gross loans | [1] | 88 | 130
Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Credit Card Receivable [Member] |  |  |
Gross loans | [1] | 2 | 3
Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Automobile Loan [Member] |  |  |
Gross loans | [1] | 0 | 1
Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Consumer Loans [Member] |  |  |
Gross loans | [1] | $ 1 | $ 13
[1] | Only classes with past due or nonaccrual loans are presented.

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