Note 15 - Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	Fair Value Measurements as of June 30 , 2017 Using
	Totals At June 30 , 2017		Quoted Prices in Active Markets For Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in Thousands)
Investment securities, available-for-sale
Mortgage-backed securities:
Residential	$	90,568	$	—	$	90,568	$	—
Commercial		72,080		—		72,080		—
Obligations of states and political subdivisions		7,557		—		7,557		—
Obligations of U.S. government-sponsored agencies		2,002		—		2,002		—
U.S. Treasury securities		80		—		80		—
Other assets - derivatives		293		—		293		—

	Fair Value Measurements as of December 31, 2016 Using
	Totals At December 31, 2016		Quoted Prices in Active Markets For Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in Thousands)
Investment securities, available-for-sale
Mortgage-backed securities:
Residential	$	98,409	$	—	$	98,409	$	—
Commercial		70,530		—		70,530		—
Obligations of states and political subdivisions		10,142		—		10,142		—
Obligations of U.S. government-sponsored agencies		1,993		—		1,993		—
Corporate notes		756		—		756		—
U.S. Treasury securities		80		—		80		—
Other assets - derivatives		346		—		346		—

Fair Value Assets Measured On Nonrecurring Basis [Table Text Block]

	Fair Value Measurements as of June 30 , 2017 Using
	Totals At June 30 , 2017		Quoted Prices in Active Markets For Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in Thousands)
Impaired loans	$	1,535	$	—	$	—	$	1,535
OREO		4,351		—		—		4,351
Other assets		280		—		—		280

	Fair Value Measurements as of December 31, 2016 Using
	Totals At December 31, 2016		Quoted Prices in Active Markets For Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in Thousands)
Impaired loans	$	1,568	$	—	$	—	$	1,568
OREO		4,858		—		—		4,858
Other assets		280		—		—		280

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

	Level 3 Significant Unobservable Input Assumptions
	Fair Value June 30 , 2017		Valuation Technique	Unobservable Input	Quantitative Range of Unobservable Inputs (Weighted Average)
	(Dollars in Thousands)
Non-recurring fair value measurements:
Impaired loans	$	1,535	Multiple data points, including discount to appraised value of collateral based on recent market activity	Appraisal comparability adjustment (discount)	9 % - 10% ( 9.5%)
OREO	$	4,351	Discount to appraised  value of property based on recent market activity for sales of similar properties	Appraisal comparability  adjustment (discount)	9% - 10% (9.5%)
Other assets	$	280	Discount to appraised value of property based on recent market activity for sales of similar properties	Appraisal comparability adjustment (discount)	9 % - 10% (9 .5%)

Fair Value, by Balance Sheet Grouping [Table Text Block]

	June 30 , 2017
	Carrying Amount		Estimated Fair Value		Level 1		Level 2		Level 3
	(Dollars in Thousands)
Assets:
Cash and cash equivalents	$	26,727	$	26,727	$	26,727	$	—	$	—
Investment securities available-for-sale		172,287		172,287		—		172,287		—
Investment securities held-to-maturity		28,544		28,496		—		28,496		—
Federal Home Loan Bank stock		1,396		1,396		—		—		1,396
Loans, net of allowance for loan losses		330,526		321,440		—		—		321,440
Other liabilities - derivatives		293		293		—		293		—
Liabilities:
Deposits		509,245		508,283		—		508,283		—
Short-term borrowings		10,692		10,692		—		10,692		—
Long-term debt		10,000		10,002		—		10,002		—

	December 31, 2016
	Carrying Amount		Estimated Fair Value		Level 1		Level 2		Level 3
	(Dollars in Thousands)
Assets:
Cash and cash equivalents	$	23,530	$	23,530	$	23,530	$	—	$	—
Investment securities available-for-sale		181,910		181,910		—		181,910		—
Investment securities held-to-maturity		25,904		25,508		—		25,508		—
Federal Home Loan Bank stock		1,581		1,581		—		—		1,581
Loans, net of allowance for loan losses		322,772		319,881		—		—		319,881
Other assets – derivatives		346		346		—		346		—
Liabilities:
Deposits		497,556		497,037		—		497,037		—
Short-term borrowings		10,119		10,119		—		10,119		—
Long-term debt		15,000		14,998		—		14,998		—