Balance Sheet Details - Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 31, 2021	Apr. 30, 2021
Property, Plant and Equipment [Line Items]
Property and equipment-gross	$ 12,157	$ 11,536
Less: accumulated depreciation and amortization	(6,470)	(5,403)
Property and equipment—net	5,687	6,133
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment-gross	$ 8,671	8,658
Computer equipment
Property, Plant and Equipment [Line Items]
Useful Life	36 months
Property and equipment-gross	$ 3,147	2,539
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Useful Life	60 months
Property and equipment-gross	$ 339	$ 339

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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