Note 9 - Other Comprehensive Income (Details) - Changes in Each Component of Accumulated Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Changes in Each Component of Accumulated Other Comprehensive Income (Loss) [Abstract]
Securities Available For Sale-Balance at Beginning of Period	$ (502)	$ 4,508	$ (3,319)	$ 5,465
Accumulated Other Comprehensive (Loss) Income-Balance at Beginning of Period	(502)	4,508	(3,319)	5,465
Securities Available For Sale-Other comprehensive income before reclassifications	2,341	(5,415)	5,163	(6,359)
Accumulated Other Comprehensive (Loss) Income-Other comprehensive income before reclassifications	2,341	(5,415)	5,163	(6,359)
Securities Available For Sale-Amounts reclassified from accumulated other comprehensive income	(1)		(6)	(13)
Accumulated Other Comprehensive (Loss) Income-Amounts reclassified from accumulated other comprehensive income	(1)		(6)	(13)
Securities Available For Sale-Net other comprehensive income during period	2,340	(5,415)	5,157	(6,372)
Accumulated Other Comprehensive (Loss) Income-Net other comprehensive income during period	2,340	(5,415)	5,157	(6,372)
Securities Available For Sale-Balance at End of Period	1,838	(907)	1,838	(907)
Accumulated Other Comprehensive (Loss) Income-Balance at End of Period	$ 1,838	$ (907)	$ 1,838	$ (907)

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Accumulated appreciation or loss, net of tax, in value of the total of available-for-sale securities at the end of an accounting period.

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-Publisher FASB

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- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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