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Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Nonperforming Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Nonaccrual loans |  | $ 91 | $ 0
TDR loans in nonaccrual |  | 2,756 | 2,873
Total nonperforming loans | [1],[2] | 2,847 | 2,873
Other real estate owned, net |  | 662 | 957
Total nonperforming assets |  | $ 3,509 | $ 3,830
Ratio of nonperforming assets to loans, net of unearned income and deferred fees and costs, plus other real estate owned |  | 0.41% | 0.48%
Ratio of allowance for loan losses to nonperforming loans(1) | [3] | 288.90% | 267.11%
[1] | Includes current and past due loans in nonaccrual status. Includes impaired loans in nonaccrual status.
[2] | Only classes with past due or nonaccrual loans are presented.
[3] | The Company defines nonperforming loans as total nonaccrual and TDR loans that are nonaccrual. Loans 90 days past due and still accruing and accruing TDR loans are excluded.

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- Definition Reflects the percentage derived from dividing the nonperforming assets by total loans net of unearned income deferred fees plus other real estate owned. + References No definition available. + Details
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- Definition Recorded investment in non-restructured loans that are on nonaccrual status as of the balance sheet date. + References No definition available. + Details
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- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) + Details
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- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5162-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4437-111522 + Details
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