Organization, Use of Estimates and Basis of Presentation (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2025 USD ($)	Oct. 31, 2024 USD ($)	Oct. 31, 2025 USD ($) subsidiary segment	Oct. 31, 2024 USD ($)
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	$ 15,035	$ 13,489	$ 29,030	$ 27,550
Operating Subsidiaries
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0