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Note 4 - Loans Receivable and Credit Disclosures (Details Textual) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Loans and Leases Receivable, Gross, Total |  | $ 1,160,667 | $ 1,147,577
Loans and Leases Receivable, Deferred Income, Total | [1] | (62) | 857
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans |  | 650 | 975
Financing Receivable, Nonaccrual |  | 12,300 | 15,300
Financing Receivables, Impaired, Troubled Debt Restructuring, Recoveries |  | 262 |
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down |  |  | 31
Financing Receivable, Troubled Debt Restructuring |  | $ 11,300 | $ 11,300
Number Of Restructured Loans Granting Concessions |  | 5 | 4
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts |  | 0 | 0
Financing Receivable, Modifications, Principal Balance, Number of Contracts |  |  | 24
Financing Receivable Modifications, Principal Balance |  |  | $ 45,900
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend |  | $ 0 |
Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross, Total | [2] | 75,482 | 122,535
SBA CARES Act Paycheck Protection Program Member |  |  |
Loans and Leases Receivable, Deferred Income, Total |  | 214 | 864
SBA CARES Act Paycheck Protection Program Member | Commercial Portfolio Segment [Member] |  |  |
Loans and Leases Receivable, Gross, Total |  | $ 6,000 | $ 50,900
[1] | Deferred loan (fees) and costs, net includes $214 thousand and $864 thousand of fees, net of costs, related to the PPP loans as of December 31, 2021 and 2020, respectively
[2] | Commercial loan portfolio includes $6.0 million and $50.9 million of Paycheck Protection Program ("PPP") loans as of December 31, 2021 and 2020, respectively

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- Definition Represents number of loan modifications that are not considered TDRs. + References No definition available. + Details
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- Definition Reflects the amount of the recoveries related to a troubled debt restructuring. + References No definition available. + Details
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- Definition The number of restructured loans granting concessions to borrowers experiencing financial difficulties. + References No definition available. + Details
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- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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- Definition Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
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- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=123392090&loc=d3e45377-112738 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554 + Details
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