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Note 5 - Loans and Related Allowance for Loan and Lease Losses - Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Loans, current balance | $ 7,858 | $ 8,879
Loans, past due | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] |  |
Loans, current balance | 458 | 1,162
Loans, past due | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] |  |
Loans, current balance | 3,758 | 3,289
Loans, past due | 0 | 0
Residential Portfolio Segment [Member] |  |
Loans, current balance | 2,487 | 2,576
Loans, past due | 0 | 0
Commercial And Industrial [Member] |  |
Loans, current balance | 509 | 946
Loans, past due | 0 | 0
Home Equity Lines of Credit [Member] |  |
Loans, current balance | 422 | 709
Loans, past due | 0 | 0
Consumer Portfolio Segment [Member] |  |
Loans, current balance | 224 | 197
Loans, past due | $ 0 | $ 0

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