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Note 13 - Fair Value and Interest Rate Risk - Quantitative Information About Level 3 Fair Value Measurements (Details) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | ---
SBA servicing assets | $ 626,000 | $ 584,000
Fair Value, Inputs, Level 3 [Member] |  |
SBA servicing assets | 660,000 | $ 617,000
Fair Value, Inputs, Level 3 [Member] | Minimum [Member] | Measurement Input, Discount Rate [Member] |  |
SBA servicing assets |  | 0.1473
Fair Value, Inputs, Level 3 [Member] | Maximum [Member] | Measurement Input, Discount Rate [Member] |  |
SBA servicing assets |  | 0.1490
Fair Value, Inputs, Level 3 [Member] | Fair Value of Collateral Approach [Member] |  |
Impaired loans, net | $ 20,939,000 | $ 20,920,000
Fair Value, Inputs, Level 3 [Member] | Fair Value of Collateral Approach [Member] | Minimum [Member] | Measurement Input, Discount Rate [Member] |  |
Impaired loans, net | 0.058 | 0.058
Fair Value, Inputs, Level 3 [Member] | Fair Value of Collateral Approach [Member] | Maximum [Member] | Measurement Input, Discount Rate [Member] |  |
Impaired loans, net | 0.20 | 0.20
Fair Value, Inputs, Level 3 [Member] | Valuation Technique, Discounted Cash Flow [Member] | Minimum [Member] | Measurement Input, Discount Rate [Member] |  |
SBA servicing assets | 0.1473 |
Fair Value, Inputs, Level 3 [Member] | Valuation Technique, Discounted Cash Flow [Member] | Maximum [Member] | Measurement Input, Discount Rate [Member] |  |
SBA servicing assets | 0.1490 |

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- Definition Fair value portion of impaired loans receivable. + References No definition available. + Details
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- Definition Value of input used to measure impaired loans. + References No definition available. + Details
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- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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- Definition Value of input used to measure servicing asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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