Provision for (Benefit from) Income Taxes - Summary of Reconciliation of Effective Tax Rate (Details)	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Income Tax Disclosure [Abstract]
Federal income tax at statutory rate	21.00%	21.00%
US vs. foreign tax rate difference	(0.10%)	(0.20%)
State income tax, net of federal benefit	(2.30%)	2.20%
Permanent differences	0.40%	(0.50%)
Increase in uncertain tax position	0.00%	0.00%
Change in valuation allowance	(18.50%)	(23.80%)
Income tax expense	0.50%	(1.30%)