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Note 5 - Loans Receivable (Details Textual) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total | $ 3,314 | $ 2,934
Impaired Financing Receivable, Recorded Investment, Total | 7,200 | 7,200
Financial Asset Acquired with Credit Deterioration [Member] |  |
Impaired Financing Receivable, Unpaid Principal Balance, Total | 6,100 | 6,300
Impaired Financing Receivable, Recorded Investment, Total | 3,900 | 4,100
Manufactured Homes Portfolio Segment [Member] |  |
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total | 2,100 | 1,900
Impaired Financing Receivable, Unpaid Principal Balance, Total |  |
Impaired Financing Receivable, Recorded Investment, Total |  |
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Modifications, Number of Contracts | 1 |
Financing Receivable, Troubled Debt Restructuring | $ 149 |
Impaired Financing Receivable, Unpaid Principal Balance, Total | 2,102 | 2,159
Impaired Financing Receivable, Recorded Investment, Total | $ 1,511 | 1,565
Residential Portfolio Segment [Member] |  |
Financing Receivable, Modifications, Number of Contracts | 1 |
Financing Receivable, Troubled Debt Restructuring | $ 53 |
Impaired Financing Receivable, Unpaid Principal Balance, Total | 3,540 | 3,638
Impaired Financing Receivable, Recorded Investment, Total | 2,155 | 2,223
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | 312 |
Impaired Financing Receivable, Unpaid Principal Balance, Total | 2,418 | 2,283
Impaired Financing Receivable, Recorded Investment, Total | $ 2,344 | $ 2,191
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 1 |

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
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