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Note 5 - Loans and Related Allowance for Loan and Lease Losses - Past Due Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Loans, current balance | $ 975,566 | $ 984,245
Loans, past due | 8,692 | 7,864
Loans | 984,258 | 992,109
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loans, past due | 2,589 | 3,583
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loans, past due | 345 | 1,296
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loans, past due | 5,758 | 2,985
Commercial And Industrial [Member] |  |
Loans, current balance | 88,965 | 82,770
Loans, past due | 562 | 1,087
Loans | 89,527 | 83,857
Commercial And Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loans, past due | 190 | 288
Commercial And Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loans, past due | 66 | 213
Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loans, past due | 306 | 586
Real Estate Construction Porfolio Segment [Member] |  |
Loans, current balance | 63,246 | 56,731
Loans, past due |  |
Loans | 63,246 | 56,731
Real Estate Construction Porfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loans, past due |  |
Real Estate Construction Porfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loans, past due |  |
Real Estate Construction Porfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loans, past due | 0 | 0
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |
Loans, current balance | 344,311 | 331,379
Loans, past due | 2,736 | 5,108
Loans | 347,047 | 336,487
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |
Loans, current balance | 465,666 | 496,597
Loans, past due | 4,361 | 1,650
Loans | 470,027 | 498,247
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Residential Loan [Member] |  |
Loans, past due | 1,713 | 2,612
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Loans [Member] |  |
Loans, past due | 63 | 664
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Residential Loan [Member] |  |
Loans, past due | 63 | 1,083
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Loans [Member] |  |
Loans, past due |  |
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Loan [Member] |  |
Loans, past due | 960 | 1,413
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Loans [Member] |  |
Loans, past due | 4,298 | 986
Consumer Portfolio Segment [Member] |  |
Loans, current balance | 13,378 | 16,768
Loans, past due | 1,033 | 19
Loans | 14,411 | 16,787
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Loans, past due | 623 | 19
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Loans, past due | 216 |
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Loans, past due | $ 194 | $ 0

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