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Note 15 - Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

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

		Fair Value Measurements as of September 30 , 2017 Using
		Totals At September 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		$	83,550			$	—			$	83,550			$	—
Commercial			67,138				—				67,138				—
Obligations of states and political subdivisions			5,655				—				5,655				—
Obligations of U.S. government-sponsored agencies			2,002				—				2,002				—
U.S. Treasury securities			80				—				80				—
Other assets - derivatives			291				—				291				—

		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 September 30 , 2017 Using
		Totals At September 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		$	686			$	—			$	—			$	686
OREO			3,819				—				—				3,819
Other assets			228				—				—				228

		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 September 30 , 2017				Valuation Technique		Unobservable Input		Quantitative Range of Unobservable Inputs (Weighted Average)
		(Dollars in Thousands)
Non-recurring fair value measurements:
Impaired loans		$	686			Multiple data points, including discount to appraised value of collateral based on recent market activity		Appraisal comparability adjustment (discount)		9 % - 10% ( 9.5%)
OREO		$	3,819			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		$	228			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]

		September 30 , 2017
		Carrying Amount				Estimated Fair Value				Level 1				Level 2				Level 3
		(Dollars in Thousands)
Assets:
Cash and cash equivalents		$	32,554			$	32,554			$	32,554			$	—			$	—
Investment securities available-for-sale			158,425				158,425				—				158,425				—
Investment securities held-to-maturity			27,377				27,303				—				27,303				—
Federal Home Loan Bank stock			1,396				1,396				—				—				1,396
Loans, net of allowance for loan losses			338,026				327,251				—				—				327,251
Other assets - derivatives			291				291				—				291				—
Liabilities:
Deposits			508,385				507,298				—				507,298				—
Short-term borrowings			10,635				10,634				—				10,634				—
Long-term debt			10,000				10,000				—				10,000				—

		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				—

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