Note 16 - Accumulated Other Comprehensive Income - Accumulated Other Comprehensive (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Balance		$ (143)
Balance	(305)	(317)
Balance	(305)	(460)
Changes in fair value		235	$ 789
Changes in fair value	32	19	427
Changes in fair value	32	254
Income tax expense		(92)
Income tax expense	(13)	(7)	(166)
Income tax expense	(13)	(99)	(474)
Balance, Cash flow swaps			(143)
Balance, available for sale securities	(286)	(305)	(317)
Balance	$ (286)	$ (305)	$ (460)

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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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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

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

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