Stockholders' Equity - Common Stock Warrants - Additional Information (Details) - $ / shares	6 Months Ended
	Oct. 31, 2024	Apr. 30, 2024
Warrants Exercisable at 5.15 Per Share | Consulting Services
Class of Stock [Line Items]
Warrants exercise price	$ 5.15
Maximum
Class of Stock [Line Items]
Warrants exercise price	$ 825	$ 825
Maximum | Warrants Exercisable at 5.15 Per Share | Consulting Services
Class of Stock [Line Items]
Warrants issued to purchase common stock	2,500
Minimum
Class of Stock [Line Items]
Warrants exercise price	$ 0.001	$ 0.001
Common Stock Warrants
Class of Stock [Line Items]
Warrants convertible into common stock from date of issuance	5 years