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Note 3 - Loans and Allowance for Loan Losses - Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
With no related allowance recorded, principal balance | $ 2,342 | $ 1,313
With related allowance recorded, principal balance | 1,073 | 6,415
Related allowance | 241 | 2,283
Total principal balance | 3,415 | 7,728
Commercial Portfolio Segment [Member] |  |
With no related allowance recorded, principal balance | 70 | 249
With related allowance recorded, principal balance | 249 | 6,023
Related allowance | 1 | 2,083
Total principal balance | 319 | 6,272
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
With no related allowance recorded, principal balance | 0 | 249
With related allowance recorded, principal balance | 249 | 5,775
Related allowance | 1 | 2,051
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
With no related allowance recorded, principal balance | 0 | 0
With related allowance recorded, principal balance | 0 | 0
Related allowance | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
With no related allowance recorded, principal balance | 70 | 0
With related allowance recorded, principal balance | 0 | 248
Related allowance | 0 | 32
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
With no related allowance recorded, principal balance | 0 | 0
With related allowance recorded, principal balance | 0 | 0
Related allowance | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
With no related allowance recorded, principal balance | 0 | 0
With related allowance recorded, principal balance | 0 | 0
Related allowance | 0 | 0
Retail Portfolio Segment [Member] |  |
With no related allowance recorded, principal balance | 2,272 | 1,064
With related allowance recorded, principal balance | 824 | 392
Related allowance | 240 | 200
Total principal balance | 3,096 | 1,456
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
With no related allowance recorded, principal balance | 2,272 | 1,064
With related allowance recorded, principal balance | 824 | 392
Related allowance | 240 | 200
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
With no related allowance recorded, principal balance | 0 | 0
With related allowance recorded, principal balance | 0 | 0
Related allowance | $ 0 | $ 0

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- Definition Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 + Details
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