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Note 2 - Fair Value of Financial Instruments (Details) - Level 3 Fair Value Measurements June 2013 (Commercial and Industrial [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended	6 Months Ended
	Jun. 30, 2013 Impaired Loans [Member]	Jun. 30, 2013 Other Real Estate Owned [Member]	Dec. 31, 2012	Jun. 30, 2013 Minimum [Member] Impaired Loans [Member]	Jun. 30, 2013 Maximum [Member] Impaired Loans [Member]
Impaired loans:
Fair Value (in Dollars)	$ 3,282	$ 982	$ 1,055
Valuation Techniques	Sales approach	Sales approach	Sales approach
Unobservable Inputs	Adjustment to comparables	Adjustment to comparables	Adjustment to comparables
Range	to	10%	15%	From 10	80%
Weighted Average	35.00%	10.00%	15.00%

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- Definition

No authoritative reference available.

+ References

No definition available.

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- Definition

Fair Value Range Weighted Average

+ References

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- Definition

No authoritative reference available.

+ References

No definition available.

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

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- Definition

Description of the inputs and valuation technique(s) used to measure fair value.

+ 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 (bbb)

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

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