Income Taxes (Tables)

12 Months Ended

Jan. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Net Loss Before Income Taxes

The components of net loss before income taxes were as follows:

	Year Ended January 31,
	2021			2020			2019
	(in thousands)
Domestic	$	(197,908	)	$	(134,578	)	$	(108,663	)
Foreign		1,082			475			695
Net loss before income taxes	$	(196,826	)	$	(134,103	)	$	(107,968	)

Schedule of Components of Provision for (Benefit from) Income Taxes

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

	Year Ended January 31,
	2021		2020		2019
	(in thousands)
Current
Federal	$	—	$	—	$	—
State		47		35		—
Foreign		151		189		119
Total current	$	198	$	224	$	119
Deferred
Federal	$	—	$	—	$	—
State		—		—		—
Foreign		—		—		—
Total deferred		—		—		—
Total provision for income taxes	$	198	$	224	$	119

Schedule of Reconciliation of U.S. Federal Statutory Rate to Company's Effective Tax Rate

A reconciliation of the U.S. federal statutory rate to the Company’s effective tax rate was as follows:

	Year Ended January 31,
	2021			2020			2019
Tax at federal statutory rate		21.0	%		21.0	%		21.0	%
Permanent differences		(0.6	)%		(1.5	)%		(0.8	)%
Warrant Mark to Market		(7.8	)%		(0.1	)%		(0.1	)%
Stock-based compensation		(0.2	)%		(0.2	)%		(0.2	)%
Change in valuation allowance		(13.6	)%		(21.1	)%		(21.9	)%
Research and development tax credits		1.1	%		1.8	%		1.9	%
Effective tax rate		(0.1	)%		(0.1	)%		(0.1	)%

Schedule of Deferred Tax Assets and Liabilities

The significant components of the Company’s deferred tax assets and liabilities as of January 31, 2021 and 2020 were as follows:

	Year Ended January 31,
	2021			2020
	(in thousands)
Deferred tax assets:
Net operating losses	$	114,154		$	105,663
Research & development credits		12,054			14,320
Deferred revenue		15,270			6,968
Accruals and reserves	$	8,102		$	6,692
Stock-based compensation		980			653
Operating lease liabilities		6,999			3,370
Total deferred tax assets		157,559			137,666
Less: valuation allowance		(150,991	)		(134,337	)
Deferred tax liabilities:
Depreciation and amortization		(375	)		(489	)
Operating lease right-of-use assets		(6,186	)		(2,834	)
Total deferred tax liabilities		(6,561	)		(3,323	)
Net deferred tax assets	$	7		$	6

Summary of Unrecognized Tax Benefits

The following table summarizes the activity related to unrecognized tax benefits as follows:

	Year Ended January 31,
	2021			2020		2019
	(in thousands)
Unrecognized tax benefits — beginning	$	10,153		$	6,884	$	4,445
Gross decreases — prior period tax position		(3,620	)		—		—
Gross increases — current period tax position		2,869			3,269		2,439
Unrecognized tax benefits — ending	$	9,402		$	10,153	$	6,884