Balance Sheet Details - Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands		Apr. 30, 2023	Apr. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Liability for common stock exercised prior to vesting		$ 799	$ 1,970
Commissions payable to a related party		2,448	2,510
Accrued general expenses		5,541	3,083
Accrued professional services		2,889	1,889
Operating lease liabilities, current		2,339	3,613
Other		3,054	1,809
Accrued and other current liabilities	[1]	$ 17,070	$ 14,874

[1] Including amounts from a related party of $2,448 and $2,510 as of April 30, 2023 and 2022, respectively.