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Note 8 - Loans Receivable and Credit Disclosures (Details Textual) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Loans and Leases Receivable, Gross, Total |  | $ 1,177,099,000 |  | $ 1,177,099,000 |  | $ 1,060,846,000
Loans and Leases Receivable, Deferred Income, Total | [1] | $ 2,104,000 |  | $ 2,104,000 |  | 80,000
Financing Receivable Modifications, Number Of Contracts, Still On Deferral |  | 100 |  | 100 |  |
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans |  | $ 247,000 | $ 272,000 | $ 747,000 | $ 389,000 |
Financing Receivable, Nonaccrual |  | 16,388,000 |  | 16,388,000 |  | 4,788,000
Financing Receivable, Troubled Debt Restructuring |  | 11,480,000 |  | $ 11,480,000 |  | 1,171,000
Number Of Restructured Loans Granting Concessions |  |  |  | 0 | 0 |
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down |  | $ 15,000 | $ 275,000 | $ 31,000 | $ 275,000 |
Financing Receivables, Impaired, Troubled Debt Restructuring, Specific Reserve, Amount |  |  |  | $ 0 |  |
Financing Receivable, Modifications, Principal Balance, Number of Contracts |  | 199 |  | 199 |  |
Financing Receivable Modifications, Principal Balance |  | $ 127,500,000 |  | $ 127,500,000 |  |
Financing Receivable Modifications Principal Balance Amount Still On Deferral |  | 94,800,000 |  | 94,800,000 |  |
Financing Receivable, Deferred Payments Past Due After Modification Period Expired |  | 11,700,000 |  | 11,700,000 |  |
Financing Receivable, Deferred Payments, Normal Payment Status |  | 32,700,000 |  | 32,700,000 |  |
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Loans and Leases Receivable, Gross, Total | [2] | 152,707,000 |  | 152,707,000 |  | $ 84,084,000
SBA CARES Act Paycheck Protection Program Member |  |  |  |  |  |
Loans and Leases Receivable, Deferred Income, Total |  | 1,900,000 |  | 1,900,000 |  |
SBA CARES Act Paycheck Protection Program Member | Commercial Portfolio Segment [Member] |  |  |  |  |  |
Loans and Leases Receivable, Gross, Total |  | $ 79,600,000 |  | $ 79,600,000 |  |
[1] | Deferred loan fees as of September 30, 2020 includes $1.9 million of fees related to the PPP loans.
[2] | Commercial loan portfolio as of September 30, 2020 includes $79.6 million Payroll Protection Program ("PPP") loans

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