Note 13 - Borrowings (Details) - FHLB Borrowed Funds Utilization and Availability - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB advances outstanding	$ 30,000	$ 35,000
Excess lendable collateral value pledged to serve against FHLB advances	44,061	44,139
Investment Security [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Available lendable loan collateral value pledged to serve against FHLB advances	$ 74,061	$ 79,139

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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+ References

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- Definition

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

+ 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 210.9-03.13(3)(a))

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22 (b))

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

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-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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