Note 8 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

			Fair Value Measurements at June 30, 2014 Using
Description	Balance as of June 30, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. Government agencies and corporations	$	161,886	$	---	$	161,886	$	---
States and political subdivisions		22,335		---		22,335		---
Mortgage-backed securities		2,400		---		2,400		---
Corporate debt securities		8,669		---		8,669		---
Other securities		117		---		117		---
Total securities available for sale	$	195,407	$	---	$	195,407	$	---

			Fair Value Measurements at December 31, 2013 Using
Description	Balance as of December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. Government agencies and corporations	$	147,854	$	---	$	147,854	$	---
States and political subdivisions		23,456		---		23,456		---
Mortgage-backed securities		2,840		---		2,840		---
Corporate debt securities		7,395		---		7,395		---
Other securities		167		---		167		---
Total securities available for sale	$	181,712	$	---	$	181,712	$	---

Fair Value Measurements, Nonrecurring [Table Text Block]

				Carrying Value
Date	Description	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	Assets:
June 30, 2014	Impaired loans net of valuation allowance	$	2,698	$	---	$	---	$	2,698
December 31, 2013	Impaired loans net of valuation allowance		1,989		---		---		1,989

				Carrying Value
Date	Description	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	Assets:
June 30, 2014	Other real estate owned net of valuation allowance	$	5,293	$	---	$	---	$	5,293
December 31, 2013	Other real estate owned net of valuation allowance		4,712		---		---		4,712

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

June 30, 2014	Valuation Technique	Unobservable Input	Range (Weighted Average)
Impaired loans	Present value of cash flows	Market rate for borrower (discount rate)	5.88%	-	9.50%	(7.35%)

June 30, 2014	Valuation Technique	Unobservable Input	Range (Weighted Average)
Other real estate owned	Discounted appraised value	Selling cost	0.00%(1)	–	10%	(6.33%)
Other real estate owned	Discounted appraised value	Discount for lack of marketability and age of appraisal	0.00%	-	46.92%	(14.47%)

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

	June 30, 2014
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3		Total Estimated Fair Value
Financial Assets:
Cash and due from banks	$	15,917	$	15,917	$	---	$	---	$	15,917
Interest-bearing deposits		106,112		106,112		---		---		106,112
Securities		358,363		---		361,589		---		361,589
Restricted securities		1,089		---		1,089		---		1,089
Mortgage loans held for sale		383		---		383		---		383
Loans, net		585,429		---		---		576,676		576,676
Accrued interest receivable		5,798		5,798		---		---		5,798
Bank-owned life insurance		21,491		21,491		---		---		21,491
Financial Liabilities:
Deposits	$	967,463	$	736,286	$	---	$	236,131	$	972,417
Accrued interest payable		71		71		---		---		71

	December 31, 2013
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3		Total Estimated Fair Value
Financial Assets:
Cash and due from banks	$	13,283	$	13,283	$	---	$	---	$	13,283
Interest-bearing deposits		98,066		98,066		---		---		98,066
Securities		345,695		---		341,049		---		341,049
Restricted securities		1,414		---		1,414		---		1,414
Mortgage loans held for sale		1,276		---		1,276		---		1,276
Loans, net		587,463		---		---		616,755		616,755
Accrued interest receivable		5,949		5,949		---		---		5,949
Bank-owned life insurance		21,181		21,181		---		---		21,181
Financial Liabilities:
Deposits	$	960,036	$	718,327	$	---	$	247,753	$	966,080
Accrued interest payable		92		92		---		---		92