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Note 4 - Allowance for Loan Losses - Impaired Loans and Related Allowances (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Impaired loans, unpaid principal balance | $ 2,366 | $ 5,982 | $ 6,967
Impaired loans, recorded investment with no allowance | 568 | 1,263 | 896
Impaired loans, recorded investment with allowance | 1,534 | 4,530 | 5,818
Impaired loans, total recorded investment | 2,102 | 5,793 | 6,714
Impaired loans, related allowance | 78 | 28 | 2,223
Impaired loans, average recorded investment | 6,697 | 1,520 | 3,877
Impaired loans, interest income recognized | 1 | 128 | 187
Real Estate 1 [Member] | Construction and Land Development [Member] |  |  |
Impaired loans, unpaid principal balance | 0 | 439 | 325
Impaired loans, recorded investment with no allowance | 0 | 400 | 276
Impaired loans, recorded investment with allowance | 0 | 0 | 0
Impaired loans, total recorded investment | 0 | 400 | 276
Impaired loans, related allowance | 0 | 0 | 0
Impaired loans, average recorded investment | 273 | 383 | 344
Impaired loans, interest income recognized | 0 | 0 | 0
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Impaired loans, unpaid principal balance | 544 | 595 | 568
Impaired loans, recorded investment with no allowance | 410 | 280 | 449
Impaired loans, recorded investment with allowance | 0 | 217 | 0
Impaired loans, total recorded investment | 410 | 497 | 449
Impaired loans, related allowance | 0 | 5 | 0
Impaired loans, average recorded investment | 429 | 563 | 517
Impaired loans, interest income recognized | 0 | 1 | 1
Real Estate 1 [Member] | Other Real Estate Loans [Member] |  |  |
Impaired loans, unpaid principal balance | 169 | 4,948 | 4,492
Impaired loans, recorded investment with no allowance | 158 | 583 | 171
Impaired loans, recorded investment with allowance | 0 | 4,313 | 4,270
Impaired loans, total recorded investment | 158 | 4,896 | 4,441
Impaired loans, related allowance | 0 | 23 | 2,065
Impaired loans, average recorded investment | 4,447 | 574 | 2,623
Impaired loans, interest income recognized | 1 | $ 127 | 109
Commercial and Industrial Loans [Member] |  |  |
Impaired loans, unpaid principal balance | 1,653 |  | 1,582
Impaired loans, recorded investment with no allowance | 0 |  | 0
Impaired loans, recorded investment with allowance | 1,534 |  | 1,548
Impaired loans, total recorded investment | 1,534 |  | 1,548
Impaired loans, related allowance | 78 |  | 158
Impaired loans, average recorded investment | 1,548 |  | 393
Impaired loans, interest income recognized | $ 0 |  | $ 77

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- Definition Average 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 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
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- Definition Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
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