Note 8 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

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

			Fair Value Measurements at March 31, 2014 Using
Description	Balance as of March 31, 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	$	156,335	$	---	$	156,335	$	---
States and political subdivisions		22,408		---		22,408		---
Mortgage-backed securities		2,607		---		2,607		---
Corporate debt securities		8,573		---		8,573		---
Other securities		478		---		478		---
Total securities available for sale	$	190,401	$	---	$	190,401	$	---

			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		857		---		857		---
Total securities available for sale	$	182,402	$	---	$	182,402	$	---

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:
March 31, 2014	Impaired loans net of valuation allowance	$	2,183	$	---	$	---	$	2,183
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:
March 31, 2014	Other real estate owned net of valuation allowance	$	4,901	$	---	$	---	$	4,901
December 31, 2013	Other real estate owned net of valuation allowance		4,712		---		---		4,712

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

March 31, 2014	Valuation Technique	Unobservable Input	Range (Weighted Average)
Impaired loans	Discounted appraised value	Selling cost		0%	(1)	-	10.00%	(0.67%)

March 31, 2014	Valuation Technique	Unobservable Input	Range (Weighted Average)
Other real estate owned	Discounted appraised value	Selling cost		0.00%	(1)	-	10%	(5.50%)
Other real estate owned	Discounted appraised value	Discount for lack of marketability and age of appraisal		0.00%		-	46.92%	(11.96%)

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

	March 31, 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	$	14,723	$	14,723	$	---	$	---	$	14,723
Interest-bearing deposits		108,841		108,841		---		---		108,841
Securities		355,799		---		355,506		---		355,506
Restricted securities		1,089		---		1,089		---		1,089
Loans, net		580,751		---		---		568,229		568,229
Accrued interest receivable		5,893		5,893		---		---		5,893
Bank-owned life insurance		21,335		21,335		---		---		21,335
Financial Liabilities:
Deposits	$	964,086	$	727,026	$	---	$	247,523	$	974,549
Accrued interest payable		78		78		---		---		79

	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		97,376		97,376		---		---		97,376
Securities		346,385		---		341,739		---		341,739
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