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Revenue from Contracts with Customers (Tables) | 9 Months Ended
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Jan. 31, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following table represents disaggregated revenue for the three and nine months ended January 31, 2025 and 2024:
| Three Months Ended January 31, |  | Nine Months Ended January 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
Pharmacology services | $ | 11,670 |  |  | $ | 11,184 |  |  | $ | 37,237 |  |  | $ | 33,919 |
TOS license revenue | 4,500 |  |  | — |  |  | 4,500 |  |  | — |
Other TOS revenue | 869 |  |  | 835 |  |  | 2,852 |  |  | 2,216 |
Personalized oncology services | — |  |  | — |  |  | — |  |  | 18 |
Total oncology revenue | $ | 17,039 |  |  | $ | 12,019 |  |  | $ | 44,589 |  |  | $ | 36,153 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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