Note 7 - Deposits (Details) - Interest Expense on Deposits (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest Expense on Deposits [Abstract]
Time certificates, less than $100,000	$ 1,042	$ 1,822	$ 2,706
Time certificates, $100,000 or more	972	1,601	2,226
Money market	15	40	72
Savings	330	350	331
NOW	3	9	16
Brokered Deposits	2
	$ 2,364	$ 3,822	$ 5,351

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Aggregate amount of all interest expense on domestic deposit liabilities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.6)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 6

-Article 9

+ Details

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- Definition

Amount of interest expense on domestic brokered deposit liabilities.

+ References

+ Details

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- Definition

Amount of interest expense on domestic money market demand account deposit liabilities.

+ References

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- Definition

Amount of interest expense on domestic savings deposit liabilities.

+ References

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- Definition

Interest expense incurred on the amount of Negotiable Order of Withdrawal (NOW). Interest-bearing transaction account that combines the payable on demand feature of checks and investment feature of savings accounts. A NOW account is functionally an interest paying checking account.

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- Definition

Interest expense incurred on time deposits, including certificates of deposits, of $100,000 or more in domestic offices.

+ References

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- Definition

Interest expense incurred on time deposits, including certificates of deposits, less than $100,000 in domestic offices.

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