Income Taxes - Summary of Significant Portions of Deferred Tax Assets and Liabilities (Details) - USD ($)	Oct. 31, 2024	Apr. 30, 2024
Deferred tax assets (liabilities):
Net operating loss carryforwards	$ 10,413,290	$ 11,378,409
Start-up costs	993,377	833,918
Stock option and warrant payments	715,020	694,206
Accumulated depreciation	1,102,896	(3,339)
Research and development credits	816,075	255,600
Research and development warrants	21,488	21,488
Total deferred tax assets, net	14,062,146	13,180,282
Valuation Allowance	(14,062,146)	(13,180,282)
Net Deferred Tax Assets	$ 0	$ 0