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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Components of Loss Before Income Taxes

The components of loss before income taxes were as follows (in thousands):

		Year Ended December 31,
		2021				2020				2019
Domestic		$	(347,552	)		$	(234,905	)		$	(97,714	)
Foreign			7,925				4,870				2,667
Loss before income taxes		$	(339,627	)		$	(230,035	)		$	(95,047	)

Schedule of Components of Income Tax Expense (Benefit)

The components of provision for (benefit from) income taxes were as follows (in thousands):

		Year Ended December 31,
		2021				2020				2019
Current
State		$	251			$	87			$	53
Foreign			1,588				1,041				336
Total			1,839				1,128				389
Deferred
Federal			-				-				(72	)
State			-				-				(11	)
Foreign			1,335				(1,335	)			(311	)
Total			1,335				(1,335	)			(394	)
Provision for (benefit from) income taxes		$	3,174			$	(207	)		$	(5	)

Schedule of Reconciliation of Income Tax Benefit Activity

The reconciliation of the income tax benefit computed at the federal statutory tax rate to the Company’s provision for (benefit from) income taxes was as follows (in thousands):

		Year Ended December 31,
		2021				2020				2019
Income tax benefit computed at federal statutory rate		$	(71,322	)		$	(48,307	)		$	(19,960	)
Foreign rate differential			1,214				(1,317	)			(144	)
Stock-based compensation expense			(104,993	)			24,004				1,612
Change in valuation allowance			192,301				27,446				18,958
Research and development credits			(14,483	)			(2,432	)			(1,112	)
Other			457				399				641
Provision for (benefit from) income taxes		$	3,174			$	(207	)		$	(5	)

Components of net deferred tax balance

The significant components of net deferred tax balances were as follows (in thousands):

		December 31,
		2021				2020(1)
Deferred tax assets:
Net operating loss carryforwards		$	277,453			$	72,332
Tax credit carryforwards			30,777				7,386
Stock-based compensation expense			14,885				3,250
Operating lease liabilities			9,398				12,080
Accruals and reserves			6,781				2,627
Deferred revenue			4,095				2,471
Other			3,258				-
Total deferred tax assets			346,647				100,146
Less: Valuation allowance			(316,056	)			(73,809	)
Deferred tax assets, net of valuation allowance			30,591				26,337
Deferred tax liabilities:
Deferred contract acquisition costs		$	(18,783	)		$	(11,670	)
Operating lease right-of-use assets			(8,559	)			(11,471	)
Property and equipment			(2,558	)			(898	)
Other			(214	)			(487	)
Total deferred tax liabilities			(30,114	)			(24,526	)
Net deferred tax assets		$	477			$	1,811

(1) Revised to correct for immaterial adjustments in the disclosure, which had previously understated the net operating loss carryforwards deferred tax asset, accruals and reserves deferred tax asset, and deferred contract acquisition costs deferred tax liability as of December 31, 2020 by $7.2 million, $0.9 million, and $8.1 million, respectively. These adjustments had no impact to the consolidated balance sheets, consolidated statements of operations, or consolidated statements of cash flows as of and for the years ended December 31, 2021, 2020, or 2019. The Company evaluated the effect of the errors on the Company’s notes to the consolidated financial statements in accordance with SEC Staff Accounting Bulletin No. 99, Materiality, and concluded that the adjustments were not material to the previously issued 2020 consolidated financial statements.

Schedule of reconciliation of unrecognized tax benefits

A reconciliation of the beginning and ending balances of total unrecognized tax benefits is as follows (in thousands):

		Year Ended December 31,
		2021				2020				2019
Beginning balance		$	3,399			$	1,623			$	796
Gross increase (decrease) for prior year tax positions			192				200				(2	)
Gross increase for current year tax positions			8,939				1,576				829
Ending balance		$	12,530			$	3,399			$	1,623

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