Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 31, 2024	Jul. 31, 2023
Disaggregation of Revenue [Line Items]
Oncology services revenue	$ 14,061	$ 12,561
Pharmacology services
Disaggregation of Revenue [Line Items]
Oncology services revenue	13,069	11,860
Other TOS revenue
Disaggregation of Revenue [Line Items]
Oncology services revenue	992	684
Personalized oncology services
Disaggregation of Revenue [Line Items]
Oncology services revenue	$ 0	$ 17

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