Note 7 - Fair Value of Assets and Liabilities (Details) - Financial Assets Measured at Fair Value on a Recurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Securities available for sale
Total securities available for sale	$ 147,588	$ 152,817
Loans held for sale	59,312	74,964
Liabilities:
Derivative payable	397	513
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale
U.S. government agencies and corporations	21,759	24,649
Mortgage-backed securities	3,155	2,189
Obligations of states and political subdivisions	122,416	125,875
Preferred stock	258	104
Total securities available for sale	147,588	152,817
Loans held for sale	59,312
Interest rate lock commitments	1,011
Forward sales commitments	303
Total assets	208,214
Liabilities:
Derivative payable	397	513
Fair Value, Measurements, Recurring [Member]
Securities available for sale
U.S. government agencies and corporations	21,759	24,649
Mortgage-backed securities	3,155	2,189
Obligations of states and political subdivisions	122,416	125,875
Preferred stock	258	104
Total securities available for sale	147,588	152,817
Loans held for sale	59,312
Interest rate lock commitments	1,011
Forward sales commitments	303
Total assets	208,214
Liabilities:
Derivative payable	397	513
Fair Value, Inputs, Level 1 [Member]
Securities available for sale
Loans held for sale	0	0
Liabilities:
Derivative payable	0	0
Fair Value, Inputs, Level 2 [Member]
Securities available for sale
Total securities available for sale	147,588	152,817
Loans held for sale	59,312	74,964
Liabilities:
Derivative payable	397	513
Fair Value, Inputs, Level 3 [Member]
Securities available for sale
Loans held for sale	0	0
Liabilities:
Derivative payable	$ 0	$ 0

Forward sales commitments fair value

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- Definition

Interest rate lock commitments fair value

+ References

No definition available.

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- Definition

Bonds or similar securities issued by state, city, or local US governments or the agencies operated by state, city, or local governments. Debt securities issued by state governments may include bond issuances of US state authorities including, for example, but not limited to, housing authorities, dormitory authorities, and general obligations while debt securities issued by political subdivisions of US states would include, for example, debt issuances by county, borough, city, or municipal governments.

+ References

No definition available.

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- Definition

This item represents the amount of preferred stock which the Company has and which is outstanding as of the balance sheet date. A financial instrument in the form of shares.

+ References

No definition available.

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- Definition

This category includes investments in debt securities issued by: (1) the United States Department of the Treasury and backed by the United States government. Such securities primarily consist of treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years) and (2) US Government Corporations and Agencies.

+ References

No definition available.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558

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-Publisher FASB

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611

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-Topic 210

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-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226008-175313

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

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- Definition

Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Mortgage-Backed Securities

-URI http://asc.fasb.org/extlink&oid=6517959

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