Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended December 31,
	2021			2020			2019
Current tax:
Netherlands (2020 and 2019: U.K.)	$	216		$	(707	)	$	-
Foreign		16,777			17,883			17,160
Total current tax		16,993			17,176			17,160
Deferred tax:
Netherlands (2020 and 2019: U.K.)		-			-			-
Foreign		(726	)		(20,576	)		(18,297	)
Total deferred tax		(726	)		(20,576	)		(18,297	)
Income tax expense (benefit)	$	16,267		$	(3,400	)	$	(1,137	)

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Year Ended December 31,
	2021			2020			2019
Netherlands (2020 and 2019: U.K.)	$	(19,190	)	$	22,819		$	33,071
Foreign		(113,181	)		(346,853	)		(108,608	)
Total	$	(132,371	)	$	(324,034	)	$	(75,537	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended December 31,
	2021			2020			2019
Statutory tax rate		25	%		19	%		19	%
Income tax expense at statutory rate	$	(33,093	)	$	(61,566	)	$	(14,352	)
Permanent differences		14,123			122,815			10,322
Effect of overseas tax rates		10,583			(1,754	)		(4,961	)
Net tax charge related to attributes with full valuation allowance		28,607			(71,259	)		12,769
Exempt dividends from joint ventures		(1,014	)		14			-
Return to provision adjustments		(5,001	)		6,150			(6,446	)
Withholding taxes		1,995			984			876
Foreign exchange movements on tax balances		67			1,216			655
Income tax expense (benefit)	$	16,267		$	(3,400	)	$	(1,137	)
Effective tax rate		-12.3	%		1.0	%		1.5	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
	2021			2020
Deferred tax assets:
Net operating loss carry forwards	$	731,315		$	484,695
Employee compensation and benefits		12,958			7,767
Depreciation		44,253			24,759
Other		34,734			19,987
Investment in partnership		51,890			-
Intangibles		22,980			-
Valuation allowance		(829,087	)		(512,711	)
Total deferred tax assets		69,043			24,497
Deferred tax liabilities:
Depreciation		(1,935	)		(6,565	)
Goodwill and other intangibles		(42,784	)		(40,054	)
Investment in partnership		(48,856	)		-
Other		(7,212	)		(4,695	)
Total deferred tax liabilities		(100,787	)		(51,314	)
Net deferred tax liabilities	$	(31,744	)	$	(26,817	)

Summary of Valuation Allowance [Table Text Block]

	Year Ended December 31
	2021			2020			2019
Balance at the beginning of the period	$	512,711		$	443,398		$	507,159
Additions attributable to the Merger		187,319			-			-
Additions not attributable to the Merger		160,299			72,025			312
Reductions		(31,242	)		(2,712	)		(64,073	)
Balance at end of period	$	829,087		$	512,711		$	443,398

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	Year ended December 31
	2021			2020
Balance at the beginning of the period	$	35,377		$	32,515
Additions attributable to the Merger		40,144			-
Additions based on tax positions related to current period not attributable to the Merger		5,774			2,182
Additions for tax positions of prior year period not attributable to the Merger		5,094			1,787
Settlements with tax authorities		(2,370	)		(665	)
Reductions for tax positions of prior years		(5,138	)		(763	)
Reductions due to the lapse of statute of limitations		(2,094	)		(188	)
Effect of changes in foreign exchange rates		(673	)		509
Balance at the end of the period	$	76,114		$	35,377