Note 4 - Loans and Allowance for Loan Losses - Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans	$ 776,126	$ 777,052
Less: Allowance for loan losses	(7,401)	(6,728)
Loans, net	768,725	770,324
Residential Portfolio Segment [Member]
Loans	311,040	304,079
Commercial Real Estate Portfolio Segment [Member]
Loans	221,514	216,360
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Owner Occupied [Member]
Loans	59,815	61,694
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Nonowner Occupied [Member]
Loans	129,535	117,188
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans	32,164	37,478
Commercial and Industrial Portfolio Segment [Member]
Loans	102,296	113,243
Consumer Portfolio Segment [Member]
Loans	141,276	143,370
Consumer Portfolio Segment [Member] \| Automobile Loan [Member]
Loans	66,696	70,226
Consumer Portfolio Segment [Member] \| Home Equity Loan [Member]
Loans	23,229	22,512
Consumer Portfolio Segment [Member] \| Other Consumer Loans [Member]
Loans	$ 51,351	$ 50,632

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.

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