Note 10 - Other Borrowings (Details) - Other Borrowings (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Note 10 - Other Borrowings (Details) - Other Borrowings [Line Items]
Balance	$ 10,624us-gaap_OtherBorrowings	$ 11,609us-gaap_OtherBorrowings
Fixed Rate Amortizing [Member] \| Minimum [Member]
Note 10 - Other Borrowings (Details) - Other Borrowings [Line Items]
Stated interest rate	2.99%
Fixed Rate Amortizing [Member] \| Maximum [Member]
Note 10 - Other Borrowings (Details) - Other Borrowings [Line Items]
Stated interest rate	4.48%
Fixed Rate Amortizing [Member]
Note 10 - Other Borrowings (Details) - Other Borrowings [Line Items]
Earliest Maturity Date	Jun. 01, 2015
Latest Maturity Date	Oct. 01, 2028
Weighted average interest rate	4.00%
Balance	2,376	3,361
Junior Subordinated Debt [Member] \| Minimum [Member]
Note 10 - Other Borrowings (Details) - Other Borrowings [Line Items]
Stated interest rate	1.89%
Junior Subordinated Debt [Member] \| Maximum [Member]
Note 10 - Other Borrowings (Details) - Other Borrowings [Line Items]
Stated interest rate	1.91%
Junior Subordinated Debt [Member]
Note 10 - Other Borrowings (Details) - Other Borrowings [Line Items]
Earliest Maturity Date	Dec. 21, 2037
Latest Maturity Date	Dec. 21, 2037
Weighted average interest rate	1.90%
Balance	$ 8,248	$ 8,248

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The average effective interest rate during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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

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-Name Accounting Standards Codification

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- Definition

Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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

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- Definition

The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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-Section S99

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