Note 8 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

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

			Fair Value Measurements at June 30, 2013 Using
Description	Balance as of June 30, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. Treasury	$	2,032	$	---	$	2,032	$	---
U.S. Government agencies		161,786		---		161,786		---
States and political subdivisions		27,887		---		27,887		---
Mortgage-backed securities		3,581		---		3,581		---
Corporate		8,438		---		8,438		---
Other securities		2,224		---		2,224		---
Total Securities Available for Sale	$	205,948	$	---	$	205,948	$	---

			Fair Value Measurements at December 31, 2012 Using
Description	Balance as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. Treasury	$	2,073	$	---	$	2,073	$	---
U.S. Government agencies		129,564		---		129,564		---
States and political subdivisions		36,779		---		36,779		---
Mortgage-backed securities		4,569		---		4,569		---
Corporate		14,575		---		14,575		---
Other securities		2,255		---		2,255		---
Total Securities Available for Sale	$	189,815	$	---	$	189,815	$	---

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, 2013	Impaired loans net of valuation allowance	$	1,176	$	---	$	---	$	1,176
December 31, 2012	Impaired loans net of valuation allowance		928		---		---		928

				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, 2013	Other real estate owned net of valuation allowance	$	969	$	---	$	---	$	969
December 31, 2012	Other real estate owned net of valuation allowance		1,435		---		---		1,435

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

June 30, 2013	Valuation Technique	Unobservable Input	Range (Weighted Average)
Impaired loans	Discounted appraised value	Selling cost		10%(1)
Impaired loans	Present value of cash flows	Discount rate	6.25%	-	7.75%	(6.63%)

December 31, 2012	Valuation Technique	Unobservable Input	Range (Weighted Average)
Impaired loans	Discounted appraised value	Selling cost	0%	-	10.00%	(2.00%)
Impaired loans	Discounted appraised value	Discount for lack of marketability and age of appraisal	0%	-	60.00%	(52.00%)
Impaired loans	Present value of cash flows	Discount rate	6.00%	-	7.50%	(6.28%)

June 30, 2013	Valuation Technique	Unobservable Input	Range (Weighted Average)
Other real estate owned	Discounted appraised value	Selling cost	0.00%(1)	–	9.95%	(2.66%)
Other real estate owned	Discounted appraised value	Discount for lack of marketability and age of appraisal	0.00%	-	3.65%	(0.61%)

December 31, 2012	Valuation Technique	Unobservable Input	Range (Weighted Average)
Other real estate owned	Discounted appraised value	Selling cost	0.00%(1)	–	6.00%	(4.30%)
Other real estate owned	Discounted appraised value	Discount for lack of marketability and age of appraisal	0.00%	-	30.90%	(4.68%)

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

	June 30, 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	$	13,474	$	13,474	$	---	$	---	$	13,474
Interest-bearing deposits		63,731		63,731		---		---		63,731
Securities		372,863		---		369,832		---		369,832
Restricted securities		1,414		---		1,414		---		1,414
Mortgage loans held for sale		1,950		---		1,950		---		1,950
Loans, net		580,109		---		---		600,826		600,826
Accrued interest receivable		6,291		6,291		---		---		6,291
Bank-owned life insurance		20,858		20,858		---		---		20,858
Financial Liabilities:
Deposits	$	938,521	$	678,921	$	---	$	258,326	$	937,247
Accrued interest payable		126		126		---		---		126

	December 31, 2012
	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	$	14,783	$	14,783	$	---	$	---	$	14,783
Interest-bearing deposits		96,597		96,597		---		---		96,597
Securities		350,354		---		360,661		---		360,661
Restricted securities		1,689		---		1,689		---		1,689
Mortgage loans held for sale		2,796		---		2,796		---		2,796
Loans, net		583,813		---		---		570,471		570,471
Accrued interest receivable		6,247		6,247		---		---		6,247
Bank-owned life insurance		20,523		20,523		---		---		20,523
Financial Liabilities:
Deposits	$	946,766	$	669,028	$	---	$	272,820	$	941,848
Accrued interest payable		139		139		---		---		139