Note 2 - Securities (Details) - Securities Held to Maturity with Unrealized Losses (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 2 - Securities (Details) - Securities Held to Maturity with Unrealized Losses [Line Items]
Less Than 12 Months - Fair Value	$ 1,171	$ 6,743
Less Than 12 Months - Unrecognized Loss	(9)	(307)
12 Months or More - Fair Value	2,916	1,142
12 Months or More - Unrecognized Loss	(180)	(114)
Fair Value	4,087	7,885
Unrecognized Loss	(189)	(421)
US States and Political Subdivisions Debt Securities [Member]
Note 2 - Securities (Details) - Securities Held to Maturity with Unrealized Losses [Line Items]
Less Than 12 Months - Fair Value	1,171	6,743
Less Than 12 Months - Unrecognized Loss	(9)	(307)
12 Months or More - Fair Value	2,916	1,142
12 Months or More - Unrecognized Loss	(180)	(114)
Fair Value	4,087	7,885
Unrecognized Loss	$ (189)	$ (421)

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Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity that have been in a continuous 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

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563

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Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity in a continuous loss position.

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+ References

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

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-Name Accounting Standards Codification

-Topic 320

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-Section 50

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-Subparagraph (a)(1)

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Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity that have been in a continuous loss position for less than twelve months.

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+ References

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

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-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

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-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563

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-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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