Note 3 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses Activity, by Portfolio Segment (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 3 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses Activity, by Portfolio Segment [Line Items]
Beginning balance	$ 6,155	$ 6,905	$ 7,344
Provision for Loan Losses	2,787	477	1,583
Loans charged off	(1,979)	(2,700)	(5,136)
Recoveries	1,371	1,473	3,114
Total ending allowance balance	8,334	6,155	6,905
Residential Portfolio Segment [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses Activity, by Portfolio Segment [Line Items]
Beginning balance	1,169	1,329	1,860
Provision for Loan Losses	458	377	395
Loans charged off	(487)	(819)	(1,066)
Recoveries	286	282	140
Total ending allowance balance	1,426	1,169	1,329
Commercial Real Estate Portfolio Segment [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses Activity, by Portfolio Segment [Line Items]
Beginning balance	2,914	3,946	3,493
Provision for Loan Losses	1,408	(1,375)	2,788
Loans charged off	(235)	(2)	(2,378)
Recoveries	108	345	43
Total ending allowance balance	4,195	2,914	3,946
Commercial and Industrial [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses Activity, by Portfolio Segment [Line Items]
Beginning balance	1,279	783	636
Provision for Loan Losses	(28)	1,031	(1,802)
Loans charged off	(41)	(600)	(70)
Recoveries	392	65	2,019
Total ending allowance balance	1,602	1,279	783
Consumer Portfolio Segment [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses Activity, by Portfolio Segment [Line Items]
Beginning balance	793	847	1,355
Provision for Loan Losses	949	444	202
Loans charged off	(1,216)	(1,279)	(1,622)
Recoveries	585	781	912
Total ending allowance balance	$ 1,111	$ 793	$ 847

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A valuation allowance for financing receivables that are expected to be uncollectible.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of direct write-downs of financing receivables charged against the allowance.

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-Publisher FASB

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-Topic 310

-SubTopic 10

-Section 50

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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

-Publisher FASB

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-Topic 230

-SubTopic 10

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-Paragraph 28

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-Article 9

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