Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2014	Dec. 31, 2013
Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses [Line Items]
Less Than 12 Months - Fair Value	$ 5,980	$ 6,743
Less Than 12 Months - Unrecognized Loss	(311)	(307)
12 Months or More - Fair Value	224	1,142
12 Months or More - Unrecognized Loss	(32)	(114)
Fair Value	6,204	7,885
Unrecognized Loss	(343)	(421)
US States and Political Subdivisions Debt Securities [Member]
Note 3 - Securities (Details) - Securities Held to Maturity with Unrealized Losses [Line Items]
Less Than 12 Months - Fair Value	5,980	6,743
Less Than 12 Months - Unrecognized Loss	(311)	(307)
12 Months or More - Fair Value	224	1,142
12 Months or More - Unrecognized Loss	(32)	(114)
Fair Value	6,204	7,885
Unrecognized Loss	$ (343)	$ (421)

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Amount of unrealized loss on investments in held-to-maturity securities that have been in a loss position for twelve months or longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 7

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Amount of unrealized loss on investments in held-to-maturity securities.

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Amount of unrealized loss before deducting unrealized gain on investments in held-to-maturity securities that have been in a loss position for less than twelve months.

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

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-Name Accounting Standards Codification

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

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