Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Reconciliation of Federal Statutory Income Tax Rate

A reconciliation of income taxes computed using the U.S. federal statutory rate to that reflected in operations follows:

	Year Ended December 31,
	2021		2020		2019
Federal statutory tax	21.00	%	21.00	%	21.00	%
State tax, net of federal benefit	6.39		4.71		0.52
Valuation allowance	(22.43)		(24.60)		(15.27)
Convertible preferred stock tranche liabilities	—		—		(5.75)
Stock-based compensation	(5.92)		(1.77)		(1.69)
Tax credits	0.99		0.95		1.24
Other	(0.03)		(0.29)		(0.05)
Effective income tax rate	0.00	%	0.00	%	0.00	%

Schedule of Deferred Tax Assets

The principal components of the Company’s net deferred tax assets were as follows (in thousands):

	Year Ended December 31,
	2021		2020
Deferred tax assets:
Net operating loss carryforwards	$	70,855	$	28,692
Tax credit carryforwards	8,338		4,980
Accrued liabilities & allowances	3,879		3,518
Deferred revenue	8,224		8,997
Amortization	15,961		14,375
Investment basis difference	13,587		3,334
Lease liability	18,429		13,421
Stock-based compensation	2,872		5,175
Other	2,613		1,454
Gross deferred tax assets	144,758		83,946
Valuation allowance	(127,226)		(71,093)
Deferred tax assets, net of valuation allowance	17,532		12,853
Deferred tax liabilities:
Operating lease right-of-use assets	(12,647)		(11,221)
Property and equipment	(4,885)		(1,632)
Deferred tax liabilities	(17,532)		(12,853)
Net deferred tax assets	$	—	$	—

Summary of Changes to Company’s Unrecognized Tax Benefits

The following table summarized changes to the Company’s unrecognized tax benefits (in thousands):

	Year Ended December 31,
	2021		2020
Beginning balance	$	—	$	—
Additions based on tax position related to the current year	396		—
Additions based on prior year tax positions	400		—
Ending balance	$	796	$	—