Note 4 - Loans and Allowance for Loan Losses (Details) - Activity for Troubled Debt Restructurings (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Commercial and Industrial [Member] \| Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	$ 7,026,000	$ 1,656,000
Ending Balance	6,556,000	1,404,000
Charge-Offs	0	0
Payments	(1,155,000)	(266,000)
Transfers to ORE	0	0
Net Additions/Deletions	685,000	14,000
Commercial and Industrial [Member] \| Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	1,439,000
Ending Balance	1,519,000
Charge-Offs	0
Payments	0
Transfers to ORE	0
Net Additions/Deletions	80,000
Vacant Land and Land Development and Residential Construction Loan [Member] \| Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	2,680,000	4,501,000
Ending Balance	2,654,000	4,250,000
Charge-Offs	0	0
Payments	(26,000)	(3,149,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	2,898,000
Vacant Land and Land Development and Residential Construction Loan [Member] \| Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	0
Ending Balance	0
Charge-Offs	0
Payments	0
Transfers to ORE	0
Net Additions/Deletions	0
Real Estate Owner Occupied Loan [Member] \| Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	17,160,000	1,816,000
Ending Balance	16,966,000	1,756,000
Charge-Offs	0	(11,000)
Payments	(194,000)	(49,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	0
Real Estate Owner Occupied Loan [Member] \| Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	1,569,000
Ending Balance	1,492,000
Charge-Offs	0
Payments	(179,000)
Transfers to ORE	0
Net Additions/Deletions	102,000
Real Estate Non Owner Occupied Loan [Member] \| Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	17,439,000	22,311,000
Ending Balance	16,063,000	21,629,000
Charge-Offs	0	0
Payments	(1,376,000)	(1,001,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	319,000
Real Estate Non Owner Occupied Loan [Member] \| Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	64,000
Ending Balance	62,000
Charge-Offs	0
Payments	(2,000)
Transfers to ORE	0
Net Additions/Deletions	0
Real Estate Multi Family and Residential Rental Loan [Member] \| Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	505,000	2,620,000
Ending Balance	498,000	732,000
Charge-Offs	0	(420,000)
Payments	(7,000)	(1,468,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	0
Real Estate Multi Family and Residential Rental Loan [Member] \| Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	381,000
Ending Balance	333,000
Charge-Offs	0
Payments	(48,000)
Transfers to ORE	0
Net Additions/Deletions	0
Home Equity and Other [Member] \| Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	0	0
Ending Balance	0	0
Charge-Offs	0	0
Payments	0	0
Transfers to ORE	0	0
Net Additions/Deletions	0	0
Home Equity and Other [Member] \| Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	26,000
Ending Balance	0
Charge-Offs	0
Payments	(26,000)
Transfers to ORE	0
Net Additions/Deletions	0
1-4 Family Mortgages [Member] \| Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	1,967,000	2,191,000
Ending Balance	302,000	2,122,000
Charge-Offs	(125,000)	0
Payments	(1,540,000)	(69,000)
Transfers to ORE	0	0
Net Additions/Deletions	0	0
1-4 Family Mortgages [Member] \| Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	178,000
Ending Balance	177,000
Charge-Offs	0
Payments	(1,000)
Transfers to ORE	0
Net Additions/Deletions	$ 0

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A financing receivable which had its terms modified during the period and is now considered a troubled restructuring.

+ References

No definition available.

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- Definition

Reflects the amount of the charge-off related to a troubled debt restructuring.

+ References

No definition available.

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- Definition

The cash outflow associated with a financing receivable classified as a troubled debt restructuring.

+ References

No definition available.

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- Definition

The transfer of a financing receivable classified as a troubled debt restructuring to other real estate.

+ References

No definition available.

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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