Note 11 - Deposits (Details) - Composition of Deposits (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Composition of Deposits [Abstract]
Transaction deposits	$ 566,533us-gaap_DemandDepositAccounts	$ 528,633us-gaap_DemandDepositAccounts
Money market deposits	141,289us-gaap_DepositsMoneyMarketDeposits	138,449us-gaap_DepositsMoneyMarketDeposits
Savings deposits	95,815us-gaap_DepositsSavingsDeposits	90,318us-gaap_DepositsSavingsDeposits
Time deposits $100,000 and greater	63,401	67,419
Time deposits less than $100,000	99,952us-gaap_TimeDepositsLessThan100000	103,501us-gaap_TimeDepositsLessThan100000
Total deposits	$ 966,990us-gaap_Deposits	$ 928,320us-gaap_Deposits

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The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice.

+ References

+ Details

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

+ Details

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- Definition

Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

+ References

+ Details

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- Definition

Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

+ References

+ Details

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- Definition

The aggregate amount of domestic time deposits (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6479006&loc=d3e64164-112818

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- Definition

The aggregate amount of domestic or foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) that total to less than $100,000.

+ References

No definition available.

+ Details

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