Organization and Basis of Presentation (Details)	12 Months Ended
Apr. 30, 2025 USD ($) segment subsidiary	Apr. 30, 2024 USD ($)
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	$ 56,944,000	$ 50,155,000
Operating Subsidiaries
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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+ Details