Note 3 - Securities (Details) - Securities Available-for-Sale with Unrealized Losses - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Securities Available for Sale
Less than 12 Months - Fair Value	$ 23,577	$ 50,076
Less than 12 Months - Unrealized Loss	(44)	(453)
Fair Value	23,577	53,721
Unrealized Loss	$ (44)	(519)
12 Months or More - Fair Value		3,645
12 Months or More - Unrealized Loss		(66)
US Government-sponsored Enterprises Debt Securities [Member]
Securities Available for Sale
Less than 12 Months - Fair Value	$ 7,994	7,964
Less than 12 Months - Unrealized Loss	(15)	(46)
Fair Value	7,994	7,964
Unrealized Loss	$ (15)	$ (46)
12 Months or More - Fair Value
12 Months or More - Unrealized Loss
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Securities Available for Sale
Less than 12 Months - Fair Value	$ 15,583	$ 42,112
Less than 12 Months - Unrealized Loss	(29)	(407)
Fair Value	15,583	45,757
Unrealized Loss	$ (29)	(473)
12 Months or More - Fair Value		3,645
12 Months or More - Unrealized Loss		$ (66)

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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 6
-Subparagraph (a)(2)
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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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