Note 15 - Income Taxes - Significant Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 2,128	$ 6,991	$ (782)
State	1,136	2,882	2,078
Foreign	1,241	1,544	1,810
Deferred
Federal	6,904	5,121	11,325
State	(431)	269	538
Foreign	210	(809)	(430)
Valuation Allowance	890	1,540	528
Total	$ 12,078	$ 17,538	$ 15,067

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

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