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Note 6 - Income Taxes - Income Tax Expense Benefit Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Computed “expected” tax benefit	$ (41,509)	$ (23,834)	$ (32,239)
Foreign income taxed at different rates	27,639	9,283	20,917
Uncertain tax positions	(62,833)	5,145	2,264
Nondeductible transaction costs	0	0	1,091
Valuation allowance – deferred tax assets	43,455	15,707	38,778
Valuation allowance -deferred tax true-up	(6,523)	0	0
Deferred tax true-up	6,523	0	0
Foreign taxes	12,520	20,778	13,012
State taxes	0	0	246
Return to accrual	11,401	(2,247)	(28,176)
162(m) - Executive compensation	286	28	2,818
Subpart F income	5,631	1,227	0
Other, net	2,445	1,637	(459)
Income Tax Expense (Benefit), Total	$ (965)	$ 27,724	$ 18,252

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deferred tax true-up.

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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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