Organization, Use of Estimates and Basis of Presentation (Details) $ in Thousands	3 Months Ended
	Jul. 31, 2024 USD ($) segment subsidiary	Jul. 31, 2023 USD ($)
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	$ 14,061	$ 12,561
Operating Subsidiaries
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0