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Note 4 - Loans Receivable - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Financing receivables on nonaccrual status | $ 6,507 | $ 6,595
Residential Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 4,374 | 5,135
Home Equity Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 473 | 270
Commercial Real Estate Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 658 | 695
Construction and Land Development Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Multifamily Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 420 |
Farmland Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Commercial Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 582 | 495
Consumer Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Manufactured Homes Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Government Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |

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