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Note 3 - Loans and Allowance for Credit Losses - Nonperforming Loans (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Loans past due 90 days or more still accruing interest | $ 0 | $ 155,000
Commercial Portfolio Segment [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 155,000
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 155,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 0
Nonperforming Financial Instruments [Member] |  |
Loans past due 90 days or more still accruing interest | 0 | 155,000
Nonaccrual loans | 7,728,000 | 2,313,000
Total nonperforming loans | 7,728,000 | 2,468,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Total nonperforming loans | 6,272,000 | 663,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Total nonperforming loans | 6,024,000 | 663,000
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Total nonperforming loans | 0 | 0
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Total nonperforming loans | 248,000 | 0
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Total nonperforming loans | 0 | 0
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member] |  |
Total nonperforming loans | 0 | 0
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] |  |
Total nonperforming loans | 1,456,000 | 1,805,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Total nonperforming loans | 1,456,000 | 1,686,000
Nonperforming Financial Instruments [Member] | Retail Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Total nonperforming loans | $ 0 | $ 119,000

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