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Note 8 - Fair Value Measurements - Fair Value on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Assets | $ 717 | $ 1,683
Fair Value, Inputs, Level 1 [Member] |  |
Assets | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Assets | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Assets | 717 | 1,683
Impaired Loans [Member] |  |
Assets |  | 1,515
Impaired Loans [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  | 0
Impaired Loans [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  | 0
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  | 1,515
Impaired Loans [Member] | Valuation, Market Approach [Member] |  |
Assets | 311 |
Impaired Loans [Member] | Valuation, Market Approach [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets | 0 |
Impaired Loans [Member] | Valuation, Market Approach [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets | 0 |
Impaired Loans [Member] | Valuation, Market Approach [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets | 311 |
Impaired Loans [Member] | Valuation Technique, Discounted Cash Flow [Member] |  |
Assets | 405 |
Impaired Loans [Member] | Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets | 405 |
Other Real Estate Owned [Member] |  |
Assets | 1 | 168
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets | 0 | 0
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets | 0 | 0
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets | $ 1 | $ 168

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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