Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Loss Before Income Taxes

For the years ended December 31, 2019, 2018 and 2017, loss before income taxes are as follows:

	Years ended December 31,
	2019		2018		2017
	(In thousands)
U.S. operations	$	(211,405)	$	(137,952)	$	(138,368)
Foreign operations	532		(40)		336
Loss before income taxes	$	(210,873)	$	(137,992)	$	(138,032)

Schedule of Income Tax Expense

Income tax expense attributable to loss from continuing operations consists of:

	Current		Deferred		Total
	(In thousands)
Year ended December 31, 2019
U.S. operations	$	—	$	—	$	—
State and local	27		—		27
Foreign jurisdiction	50		(15)		35
	$	77	$	(15)	$	62
Year ended December 31, 2018
U.S. operations	$	—	$	—	$	—
State and local	2		—		2
Foreign jurisdiction	142		3		145
	$	144	$	3	$	147
Year ended December 31, 2017
U.S. operations	$	—	$	—	$	—
State and local	7		—		7
Foreign jurisdiction	130		18		148
	$	137	$	18	$	155

Schedule of Deferred Tax Assets and Liabilities

The tax effects of significant items comprising the Company’s deferred taxes are as follows:

	2019		2018
	(In thousands)
Deferred tax assets:
Net operating loss carryforwards	$	10,981	$	177,297
Start-up costs	—		97,195
Research and development	2,955		43,367
Accrued liabilities	3,402		872
Deferred rent	1,843		1,555
Deferred revenue	8		618
Plant and equipment, principally due to differences in depreciation and capitalized interest	1,254		—
Goodwill	230,543		—
Total gross deferred tax assets	250,986		320,904
Less valuation allowance	(250,818)		(317,444)
Net deferred tax assets	$	168	$	3,460
Deferred tax liabilities:
Plant and equipment, principally due to differences in depreciation and capitalized interest	$	—	$	(3,313)
Total gross deferred tax liabilities	—		(3,313)
Net deferred tax assets	$	168	$	147

Summary of Tax Credit Carryforwards

NOLs and tax credit gross carryforwards as of December 31, 2019 are as follows:

	Amount		Expiration Years
	(In thousand)
NOLs, Federal	$	45,375	See notes below
NOLs, State	$	20,809	See notes below
Tax credits, Federal	$	1,755	See notes below
Tax credits, State	$	1,200	See notes below

Summary of Net Operating Loss Carryforwards

NOLs and tax credit gross carryforwards as of December 31, 2019 are as follows:

	Amount		Expiration Years
	(In thousand)
NOLs, Federal	$	45,375	See notes below
NOLs, State	$	20,809	See notes below
Tax credits, Federal	$	1,755	See notes below
Tax credits, State	$	1,200	See notes below

Schedule of Effective Income Tax Rate Reconciliation

The effective tax rate of the Company’s (provision) benefit for income taxes differs from the federal statutory rate as follows:

	Years Ended December 31,
	2019				2018				2017
	(In thousands)
Statutory rate	$	(44,401)	21.0	%	$	(28,978)	21.0	%	$	(48,311)	35.0	%
Rate change	0		—	%	0		—	%	108,906		(78.9)	%
State income tax	(5,867)		2.8	%	(9,497)		6.9	%	(7,922)		5.7	%
Research & Development	(8,593)		4.1	%	(3,806)		2.8	%	(2,367)		1.7	%
Change in valuation allowance	64,515		(30.5)	%	43,476		(31.5)	%	(51,864)		37.6	%
Reduction of allocated R&D from GV	(8,376)		4.0	%	—		—	%	—		—	%
Other, net	2,784		(1.4)	%	(1,048)		0.8	%	1,713		(1.1)	%
Total	62		—	%	147		—	%	155		—	%

Schedule of Uncertain Tax Positions

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

	Years ending December 31,
	2019		2018
	(In thousands)
Balance at the beginning of the year	$	18,040	$	16,984
Additions based on tax positions related to current year	3,324		1,067
Additions based on tax positions related to prior years	—		—
Deductions based on tax positions related to prior years	(9)		(11)
Reductions of allocated tax attributes from GV	(20,450)		—
Balance at the end of year	$	905	$	18,040