Stock-Based Compensation- Share-Based Payment Arrangement, Nonemployee Director Award Plan, Activity (Details) - shares	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Share-Based Goods and Nonemployee Services Transaction [Line Items]
Total awards granted (in shares)	954,560	1,362,000
Options
Share-Based Goods and Nonemployee Services Transaction [Line Items]
Total awards granted (in shares)	880,000	1,362,000
RSUs
Share-Based Goods and Nonemployee Services Transaction [Line Items]
Total awards granted (in shares)	74,560	0