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Note 1 - General (Details Textual) - USD ($) $ in Thousands | Jun. 30, 2023 | Jan. 01, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | ---
Retained Earnings (Accumulated Deficit) | $ 195,320 |  | $ 199,091 |  |
Financing Receivable, Allowance for Credit Loss | 10,626 |  | 8,225 | $ 8,069 | $ 7,674
Unfunded Loan Commitment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss | $ 233 |  | 35 |  |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |  |  |
Retained Earnings (Accumulated Deficit) |  | $ 2,014 |  |  |
Financing Receivable, Allowance for Credit Loss |  | 10,567 | 2,342 |  |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Unfunded Loan Commitment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 242 | $ 207 |  |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | 8,225 |  |  |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Previously Reported [Member] | Unfunded Loan Commitment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Loss |  | $ 35 |  |  |

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