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Note 4 - Loans Receivable - Individually Evaluated Impaired Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
With an allowance recorded, unpaid principal balance |  | $ 5,780
Impaired Financing Receivable, Related Allowance | $ 166 | 246
Total, recorded investment | 7,220 |
Total, related allowance | 166 | 246
Residential Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment | 2,140 | 1,389
With no related allowance recorded, unpaid principal balance | 3,555 | 3,628
With no related allowance recorded, average recorded investment | 1,960 | 1,244
With no related allowance recorded, interest income recognized | 85 | 79
With an allowance recorded, recorded investment | 83 | 161
With an allowance recorded, unpaid principal balance | 83 | 161
Impaired Financing Receivable, Related Allowance | 10 | 22
With an allowance recorded, average recorded investment | 143 | 123
With an allowance recorded, interest income recognized | 3 | 5
Total, recorded investment | 2,223 | 1,550
Total, unpaid principal balance | 3,638 | 3,789
Total, average recorded investment | 2,103 | 1,367
Total, interest income recognized | 88 | 84
Total, related allowance | 10 | 22
Home Equity Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment | 429 | 207
With no related allowance recorded, unpaid principal balance | 451 | 214
With no related allowance recorded, average recorded investment | 380 | 111
With no related allowance recorded, interest income recognized | 10 | 2
With an allowance recorded, recorded investment | 8 | 57
With an allowance recorded, unpaid principal balance | 8 | 57
Impaired Financing Receivable, Related Allowance | 4 | 9
With an allowance recorded, average recorded investment | 50 | 35
With an allowance recorded, interest income recognized |  |
Total, recorded investment | 437 | 264
Total, unpaid principal balance | 459 | 271
Total, average recorded investment | 430 | 146
Total, interest income recognized | 10 | 2
Total, related allowance | 4 | 9
Commercial Real Estate Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment | 1,547 | 1,624
With no related allowance recorded, unpaid principal balance | 2,141 | 2,222
With no related allowance recorded, average recorded investment | 1,578 | 1,216
With no related allowance recorded, interest income recognized | 52 | 64
With an allowance recorded, recorded investment | 18 | 481
With an allowance recorded, unpaid principal balance | 18 | 481
Impaired Financing Receivable, Related Allowance |  | 210
With an allowance recorded, average recorded investment | 382 | 320
With an allowance recorded, interest income recognized |  |
Total, recorded investment | 1,565 | 2,105
Total, unpaid principal balance | 2,159 | 2,703
Total, average recorded investment | 1,960 | 1,536
Total, interest income recognized | 52 | 64
Total, related allowance |  | 210
Construction and Land Development Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment |  |
With no related allowance recorded, unpaid principal balance |  |
With no related allowance recorded, average recorded investment |  | 54
With no related allowance recorded, interest income recognized |  |
With an allowance recorded, recorded investment |  |
With an allowance recorded, unpaid principal balance |  |
Impaired Financing Receivable, Related Allowance |  |
With an allowance recorded, average recorded investment |  |
With an allowance recorded, interest income recognized |  |
Total, recorded investment |  |
Total, unpaid principal balance |  |
Total, average recorded investment |  | 54
Total, interest income recognized |  |
Total, related allowance |  |
Multifamily Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment | 802 |
With no related allowance recorded, unpaid principal balance | 884 |
With no related allowance recorded, average recorded investment | 581 |
With no related allowance recorded, interest income recognized | 20 |
With an allowance recorded, recorded investment |  |
With an allowance recorded, unpaid principal balance |  |
Impaired Financing Receivable, Related Allowance |  |
With an allowance recorded, average recorded investment |  |
With an allowance recorded, interest income recognized |  |
Total, recorded investment | 802 |
Total, unpaid principal balance | 884 |
Total, average recorded investment | 581 |
Total, interest income recognized | 20 |
Total, related allowance |  |
Farmland Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment |  |
With no related allowance recorded, unpaid principal balance |  |
With no related allowance recorded, average recorded investment |  |
With no related allowance recorded, interest income recognized |  |
With an allowance recorded, recorded investment |  |
With an allowance recorded, unpaid principal balance |  |
Impaired Financing Receivable, Related Allowance |  |
With an allowance recorded, average recorded investment |  |
With an allowance recorded, interest income recognized |  |
Total, recorded investment |  |
Total, unpaid principal balance |  |
Total, average recorded investment |  |
Total, interest income recognized |  |
Total, related allowance |  |
Commercial Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment | 1,814 | 1,799
With no related allowance recorded, unpaid principal balance | 1,906 | 2,038
With no related allowance recorded, average recorded investment | 1,909 | 880
With no related allowance recorded, interest income recognized | 81 | 38
With an allowance recorded, recorded investment | 377 | 64
With an allowance recorded, unpaid principal balance | 377 | 64
Impaired Financing Receivable, Related Allowance | 152 | 5
With an allowance recorded, average recorded investment | 513 | 140
With an allowance recorded, interest income recognized | 4 | 1
Total, recorded investment | 2,191 | 1,863
Total, unpaid principal balance | 2,283 | 2,102
Total, average recorded investment | 2,422 | 1,020
Total, interest income recognized | 85 | 39
Total, related allowance | 152 | 5
Consumer Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment |  |
With no related allowance recorded, unpaid principal balance |  |
With no related allowance recorded, average recorded investment |  |
With no related allowance recorded, interest income recognized |  |
With an allowance recorded, recorded investment |  |
With an allowance recorded, unpaid principal balance |  |
Impaired Financing Receivable, Related Allowance |  |
With an allowance recorded, average recorded investment |  |
With an allowance recorded, interest income recognized |  |
Total, recorded investment |  |
Total, unpaid principal balance |  |
Total, average recorded investment |  |
Total, interest income recognized |  |
Total, related allowance |  |
Manufactured Homes Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment |  |
With no related allowance recorded, unpaid principal balance |  |
With no related allowance recorded, average recorded investment |  |
With no related allowance recorded, interest income recognized |  |
With an allowance recorded, recorded investment |  |
With an allowance recorded, unpaid principal balance |  |
Impaired Financing Receivable, Related Allowance |  |
With an allowance recorded, average recorded investment |  |
With an allowance recorded, interest income recognized |  |
Total, recorded investment |  |
Total, unpaid principal balance |  |
Total, average recorded investment |  |
Total, interest income recognized |  |
Total, related allowance |  |
Government Portfolio Segment [Member] |  |
With no related allowance recorded, recorded investment |  |
With no related allowance recorded, unpaid principal balance |  |
With no related allowance recorded, average recorded investment |  |
With no related allowance recorded, interest income recognized |  |
With an allowance recorded, recorded investment |  |
With an allowance recorded, unpaid principal balance |  |
Impaired Financing Receivable, Related Allowance |  |
With an allowance recorded, average recorded investment |  |
With an allowance recorded, interest income recognized |  |
Total, recorded investment |  |
Total, unpaid principal balance |  |
Total, average recorded investment |  |
Total, interest income recognized |  |
Total, related allowance |  |

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