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Revenue from Contracts with Customers (Tables)
3 Months Ended
Jul. 31, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
The following table represents disaggregated revenue for the three months ended July 31, 2025 and 2024 (in thousands):
Three Months Ended
July 31,
 20252024
Pharmacology services$13,230 $13,069 
TOS data license revenue311 — 
Other TOS revenue454 992 
Total oncology revenue$13,995 $14,061