Note 17 - Components of Income Before Taxes and Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Domestic	$ 48,608	$ 63,232	$ 33,061
Foreign	(354)	(1,727)	(581)
Income before income taxes	48,254	61,505	32,480
Federal	14,572	18,301	8,024
State	3,635	3,895	1,581
Foreign	249	192	94
	18,456	22,388	9,699
Federal	(370)	1,153	2,375
State	(33)	122	115
Foreign	(557)	(477)	(284)
	(960)	798	2,206
Total provision	$ 17,496	$ 23,186	$ 11,905

Amount of global net deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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