Income Taxes - Schedule of Reconciliation of The Federal Statutory Income Tax Rate And The Provision For Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Income Tax Disclosure [Abstract]
Tax benefit at federal statutory rate	$ (7,867)	$ (8,867)	$ (30,017)
State taxes, net of federal benefit	(2,766)	6,798	(3,122)
Foreign rate difference	1,213	1,676	(305)
Nondeductible expenses	361	675	2,313
Research and development credit	(5,842)	(6,487)	(6,670)
Stock-based compensation	(691)	4,942	6,325
Change in reserve for unrecognized tax benefits	5,842	6,487	6,670
Intra-group transfer of intellectual property	1,067
Change in valuation allowance, including the effect of tax rate change	31,613	2,301	26,462
Effect of tax rate change on deferred tax assets	(19,284)	(6,524)
Other	349	206	(246)
Provision for income taxes	$ 3,995	$ 1,207	$ 1,410

Change in reserve for unrecognized tax benefits.

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Income tax reconciliation change in enacted tax rate on deferred tax assets.

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Income Tax Reconciliation Intra Group Transfer Of Intellectual Property

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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