Note 16 - Income Taxes - Components of Income Before Taxes and Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Domestic	$ 26,227	$ 48,446	$ 50,181
Foreign	(3,020)	(2,244)	689
Income before income taxes	23,207	46,202	50,870
Current provision:
Federal	4,783	12,608	14,982
State	1,644	2,737	3,265
Foreign	405	31	302
	6,832	15,376	18,549
Deferred provision:
Federal	(992)	(426)	(70)
State	(152)	(68)	(84)
Foreign	(1,203)	(496)	(72)
	(2,347)	(990)	(226)
Total provision	$ 4,485	$ 14,386	$ 18,323

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

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to 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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