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Revenue from Contracts with Customers (Tables) | 9 Months Ended
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Jan. 31, 2024
Revenue from Contract with Customer [Abstract] |
Summary of disaggregation of revenue | The following table represents disaggregated revenue for the three and nine months ended January 31, 2024 and 2023:
| Three Months Ended January 31, |  | Nine Months Ended January 31,
| 2024 |  | 2023 |  | 2024 |  | 2023
Pharmacology services | $ | 11,184 |  |  | $ | 12,119 |  |  | $ | 33,919 |  |  | $ | 38,355 |
Other TOS revenue | 835 |  |  | 648 |  |  | 2,216 |  |  | 2,328 |
Personalized oncology services | — |  |  | 6 |  |  | 18 |  |  | 116 |
Total oncology services revenue | $ | 12,019 |  |  | $ | 12,773 |  |  | $ | 36,153 |  |  | $ | 40,799 |

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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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