Note 4 - Premises and Equipment (Details) - Premises and Equipment (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Premises and Equipment [Abstract]
Land	$ 2,045us-gaap_Land	$ 1,900us-gaap_Land
Buildings	11,083us-gaap_BuildingsAndImprovementsGross	10,342us-gaap_BuildingsAndImprovementsGross
Leasehold improvements	2,767us-gaap_LeaseholdImprovementsGross	2,911us-gaap_LeaseholdImprovementsGross
Furniture and equipment	15,146us-gaap_FurnitureAndFixturesGross	15,060us-gaap_FurnitureAndFixturesGross
	31,041us-gaap_PropertyPlantAndEquipmentGross	30,213us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation	21,846	21,208
Total premises and equipment	$ 9,195us-gaap_PropertyPlantAndEquipmentNet	$ 9,005us-gaap_PropertyPlantAndEquipmentNet

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Topic 210

-SubTopic 10

-Section S99

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-Name Regulation S-X (SX)

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-Section 02

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

+ References

+ Details

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- Definition

Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Publisher SEC

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-Publisher SEC

-Name Regulation S-X (SX)

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