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Note 8 - Loans and Related Allowance for Loan and Lease Losses - Past Due Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Loans, current balance	$ 987,653	$ 984,245
Loans, past due	11,629	7,864
Loans	999,282	992,109
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, past due	4,246	3,583
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, past due	567	1,296
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, past due	6,816	2,985
Commercial And Industrial [Member]
Loans, current balance	84,689	82,770
Loans, past due	1,172	1,087
Loans	85,861	83,857
Commercial And Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, past due	623	288
Commercial And Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, past due	190	213
Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, past due	359	586
Real Estate Construction Porfolio Segment [Member]
Loans, current balance	57,564	56,731
Loans, past due
Loans	57,564	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	343,400	331,379
Loans, past due	4,339	5,108
Loans	347,739	336,487
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans, current balance	486,821	496,597
Loans, past due	6,093	1,650
Loans	492,914	498,247
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Residential Loan [Member]
Loans, past due	1,813	2,612
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Loans [Member]
Loans, past due	1,796	664
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Residential Loan [Member]
Loans, past due	358	1,083
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Loans [Member]
Loans, past due	8
Real Estate Mortgage Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Loan [Member]
Loans, past due	2,168	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	4,289	986
Consumer Portfolio Segment [Member]
Loans, current balance	15,179	16,768
Loans, past due	25	19
Loans	15,204	16,787
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, past due	14	19
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, past due	11
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, past due	$ 0	$ 0

X

- Definition

Amount of financing receivable not past due.

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