Note 3 - Securities (Details) - Securities Available-for-Sale with Unrealized Losses (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Note 3 - Securities (Details) - Securities Available-for-Sale with Unrealized Losses [Line Items]
Less than 12 Months - Fair Value		$ 11,232
Less than 12 Months - Unrealized Loss		(20)
Fair Value	12,053	27,540
Unrealized Loss	(68)	(240)
12 Months or More - Fair Value	12,053	16,308
12 Months or More - Unrealized Loss	(68)	(220)
US Government-sponsored Enterprises Debt Securities [Member]
Note 3 - Securities (Details) - Securities Available-for-Sale with Unrealized Losses [Line Items]
Fair Value	7,991	7,911
Unrealized Loss	(23)	(104)
12 Months or More - Fair Value	7,991	7,911
12 Months or More - Unrealized Loss	(23)	(104)
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Note 3 - Securities (Details) - Securities Available-for-Sale with Unrealized Losses [Line Items]
Less than 12 Months - Fair Value		11,232
Less than 12 Months - Unrealized Loss		(20)
Fair Value	4,062	19,629
Unrealized Loss	(45)	(136)
12 Months or More - Fair Value	4,062	8,397
12 Months or More - Unrealized Loss	$ (45)	$ (116)

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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale 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

-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

-Paragraph 6

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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

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