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Note 3 - Securities (Details) - Securities Available-for-Sale with Unrealized Losses - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Securities Available for Sale
Less than 12 Months - Fair Value	$ 31,828	$ 11,232
Less than 12 Months - Unrealized Loss	(419)	(20)
Fair Value	39,686	27,540
Unrealized Loss	(541)	(240)
12 Months or More - Fair Value	7,858	16,308
12 Months or More - Unrealized Loss	(122)	(220)
US Government-sponsored Enterprises Debt Securities [Member]
Securities Available for Sale
Less than 12 Months - Fair Value	3,991
Less than 12 Months - Unrealized Loss	(13)
Fair Value	7,980	7,911
Unrealized Loss	(32)	(104)
12 Months or More - Fair Value	3,989	7,911
12 Months or More - Unrealized Loss	(19)	(104)
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Securities Available for Sale
Less than 12 Months - Fair Value	27,837	11,232
Less than 12 Months - Unrealized Loss	(406)	(20)
Fair Value	31,706	19,629
Unrealized Loss	(509)	(136)
12 Months or More - Fair Value	3,869	8,397
12 Months or More - Unrealized Loss	$ (103)	$ (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.

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