Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Loss Before Income Taxes

Our loss before income taxes is as follows (in thousands):

	2021			2020			2019
United States	$	(172,415	)	$	(183,524	)	$	(176,145	)

Schedule of Components of Net Deferred Income Tax Asset

The components of the net deferred income tax asset as of December 31, 2021 and 2020 are as follows (in thousands):

	As of December 31,
	2021			2020
Deferred income tax assets:
Net operating loss	$	224,660		$	195,008
Share-based payment compensation		17,698			17,252
Interest expense limitation		20,391			12,992
Accrual for sales returns and coupons		3,779			5,060
R&D credit		186			186
Other, net		1,674			(241	)
Deferred income tax asset		268,388			230,257
Valuation allowance		(268,388	)		(230,257	)
Deferred income tax assets, net	$	—		$	—

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation between taxes computed at the federal statutory rate and the consolidated effective tax rate is as follows:

	2021			2020			2019
Federal statutory tax rate		21.0	%		21.0	%		21.0	%
State tax rate, net of federal tax benefit		4.7	%		5.1	%		4.0	%
Adjustment in valuation allowances		(22.1	%)		(27.0	%)		(22.5	%)
Excess stock benefits		(1.5	%)		0.1	%		0.2	%
Permanent and other differences		(2.1	%)		0.8	%		(2.7	%)
Provision (benefit) for income taxes		0.0	%		0.0	%		0.0	%