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Note 5 - Loans and Related Allowance for Loan and Lease Losses - Major Classifications of Net Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Loans	$ 992,109	$ 923,213
Less: Allowance for loan and lease losses	(7,428)	(7,190)	$ (6,598)
Net loans	984,681	916,023
Commercial And Industrial [Member]
Loans	83,857	101,346
Less: Allowance for loan and lease losses	(969)	(999)	(448)
Real Estate Construction Porfolio Segment [Member]
Loans	56,731	47,017
Less: Allowance for loan and lease losses	(100)	(313)	(172)
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member]
Loans	336,487	318,157
Less: Allowance for loan and lease losses	(1,581)	(1,760)	(2,818)
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member]
Loans	498,247	437,947
Less: Allowance for loan and lease losses	(4,651)	(4,036)	(3,135)
Consumer Portfolio Segment [Member]
Loans	16,787	18,746
Less: Allowance for loan and lease losses	$ (127)	$ (82)	$ (25)

X

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance 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(d))
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- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

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X

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

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-Section S99
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