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Note 3 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018 | Sep. 30, 2018
--- | --- | --- | ---
Loans past due 90 days or more and still accruing |  | $ 212 | [1] | $ 35 | [1] | $ 63
Nonaccruals |  | 4,076 | [1],[2] | 3,420 | [1],[2] | $ 3,076
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 36 |  |  |  |
Nonaccruals | [1],[2] | 681 |  | 278 |  |
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 132 |  |  |  |
Nonaccruals | [1],[2] | 0 |  | 0 |  |
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 0 |  | 0 |  |
Nonaccruals | [1],[2] | 264 |  | 451 |  |
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 0 |  | 0 |  |
Nonaccruals | [1],[2] |  |  | 192 |  |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 0 |  | 0 |  |
Nonaccruals | [1],[2] | 531 |  |  |  |
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 0 |  | 0 |  |
Nonaccruals | [1],[2] | 2,451 |  | 2,494 |  |
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] |  |  |  |  |
Nonaccruals | [1],[2] | 144 |  |  |  |
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] |  |  | 2 |  |
Nonaccruals | [1],[2] |  |  | 5 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 1 |  |  |  |
Nonaccruals | [1],[2] | 0 |  | 0 |  |
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 40 |  | 29 |  |
Nonaccruals | [1],[2] |  |  |  |  |
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |  |  |  |
Loans past due 90 days or more and still accruing | [1] | 3 |  | 4 |  |
Nonaccruals | [1],[2] | 5 |  | 0 |  |
Financing Receivables 30 to 89 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 1,735 |  | 1,635 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 888 |  | 647 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 22 |  | 11 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  |  |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 94 |  | 291 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 243 |  | 325 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 0 |  | 0 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 211 |  |  |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 10 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 1 |  | 5 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 185 |  | 296 |  |
Financing Receivables 30 to 89 Days Past Due [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 91 |  | 50 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 1,594 |  | 346 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 717 |  | 119 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 132 |  |  |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 264 |  |  |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 192 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 293 |  |  |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  |  |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 144 |  |  |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |  |
Loans past due and accruing | [1] |  |  | 2 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 1 |  |  |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | 40 |  | 29 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] |  |  |  |  |  |
Loans past due and accruing | [1] | $ 3 |  | $ 4 |  |
[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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