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Note 3 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019 | Jun. 30, 2019
--- | --- | --- | ---
Nonaccruals |  | $ 3,830 | [1] | $ 3,375 | [1],[2] | $ 4,262
Loans past due 90 days or more and still accruing |  | 237 | [1] | 231 | [1] | $ 50
Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 1,467 |  | 1,070 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 1,667 |  | 940 |  |
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] |  |  |  |  |  |
Nonaccruals | [1] | 21 |  |  |  |
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 19 |  |
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 21 |  |  |  |
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 19 |  |  |  |
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 24 |  |  |  |
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 19 |  |  |  |
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] |  |  |  |  |  |
Nonaccruals | [1] | 81 |  | 22 | [2] |
Loans past due 90 days or more and still accruing | [1] | 91 |  | 188 |  |
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 458 |  | 499 |  |
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 173 |  | 210 |  |
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 83 |  |  |  |
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 83 |  |
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 83 |  |  |  |
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] |  |  |  |  |  |
Nonaccruals | [1],[2] |  |  | 264 |  |
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 108 |  |  |  |
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 264 |  |
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 94 |  |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |  |  |  |
Nonaccruals | [1] | 490 |  | 514 | [2] |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 393 |  |  |  |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 490 |  | 287 |  |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] |  |  |  |  |  |
Nonaccruals | [1] | 3,236 |  | 2,435 | [2] |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 838 |  |  |  |
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |  |
Nonaccruals | [1],[2] |  |  | 136 |  |
Loans past due 90 days or more and still accruing | [1] | 1 |  | 17 |  |
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 134 |  | 45 |  |
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 153 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 4 |  | 4 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] |  |  |  |  |  |
Nonaccruals | [1],[2] |  |  | 4 |  |
Loans past due 90 days or more and still accruing | [1] | 31 |  | 14 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 206 |  | 256 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 31 |  | 14 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |  |  |  |
Nonaccruals | [1] | 2 |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 12 |  | 12 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 140 |  | 70 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | $ 12 |  | $ 12 |  |
[1] | Only classes with past-due or nonaccrual loans are shown.
[2] | Includes current and past due loans in nonaccrual status. Includes impaired loans in nonaccrual status.

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