Income taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) before Income Taxes

Income (loss) before income taxes is as follows:

	Year ended December 31,
	2021		2020		2019
United States (U.S.)	$	82,249	$	(15,283)	$	(87,925)
Non-U.S.	(134,324)		33,385		79,101
Total income (loss) before income taxes	$	(52,075)	$	18,102	$	(8,824)

Schedule of Components of Income Tax Expense (Benefit)

The provision (benefit) for income taxes from continuing operations is comprised of:

	Year ended December 31,
	2021		2020		2019
Current:
U.S.	$	65	$	(11,898)	$	(6,143)
Non-U.S.	6,211		10,192		4,405
Total current	$	6,276	$	(1,706)	$	(1,738)
Deferred:
Non-U.S.	—		—		144
Total deferred	—		—		144
Total income tax provision	$	6,276	$	(1,706)	$	(1,594)

Reconciliation of Provision for Income Taxes

A reconciliation of the provision for income taxes compared with the amounts at the notional federal statutory rate was:

	Year ended December 31,
	2021			2020			2019
Income (loss) before income taxes	$	(52,075)		$	18,102		$	(8,824)
U.S. statutory income tax rate	21.0		%	21.0		%	21.0		%
Notional U.S. federal income taxes at statutory rate	$	(10,936)		$	3,801		$	(1,853)
Foreign taxes rate differential	14,651			4,024			(4,216)
Share based compensation	(12,669)			(6,190)			(26,528)
Change in valuation allowance	11,643			6,821			244,344
Return to provision true-ups	2,416			654			(5,204)
Research and Development Credits	(2,216)			(5,243)			(2,333)
State income taxes	1,572			607			(16,679)
Withholding Taxes	273			2,366			384
Non-deductible expenses	(147)			260			357
Unamortized intangible assets	—			—			(189,410)
2020 Cares Act	—			(8,694)			—
Other	1,689			(112)			(456)
Income tax	$	6,276		$	(1,706)		$	(1,594)
Effective tax rate	(12.1)		%	(9.4)		%	18.1		%

Schedule of Significant Components of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax assets and liabilities are as follows:

	December 31,
	2021		2020
Deferred tax assets:
Unamortized intangible assets	$	138,978	$	157,930
Impact of revenue recognition	$	112,251	$	131,395
Net operating loss carryforwards	$	77,664	$	40,314
Share based compensation	$	25,644	$	17,595
Research and development	$	12,146	$	9,186
Interest limitations	$	7,948	$	6,975
Lease liability	$	4,836	$	1,006
Other temporary differences	$	3,032	$	2,822
Total gross deferred tax assets	$	382,499	$	367,223
Less: valuation allowance	(375,717)		(364,082)
Total deferred tax assets	6,782		3,141
Deferred tax liabilities:
Right of use assets	4,559		936
Fixed assets	2,214		2,185
Other liabilities	9		20
Total gross deferred tax liabilities	$	6,782	$	3,141
Net deferred taxes assets (liability)	$	—	$	—

Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

A reconciliation of the beginning and ending balances of uncertain tax benefits is as follows:

	December 31,
	2021		2020		2019
Balance at beginning of the year	$	297	$	116	$	103
Additions (reductions) for taxes positions related to prior years	(143)		181		13
Balance at the end of the year	$	154	$	297	$	116