Organization and Basis of Presentation (Details)	12 Months Ended
	Apr. 30, 2024 USD ($) subsidiary segment	Apr. 30, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating subsidiaries | subsidiary	4
Number of reportable segments | segment	1
Disaggregation of Revenue [Line Items]
Revenue	$ 50,155,000	$ 53,870,000
Operating Subsidiaries
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0