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Revenue from Contracts with Customers (Tables) | 6 Months Ended
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Oct. 31, 2023
Revenue from Contract with Customer [Abstract] |
Summary of disaggregation of revenue | The following table represents disaggregated revenue for the three and six months ended October 31, 2023 and 2022:
| Three Months Ended October 31, |  | Six Months Ended October 31,
| 2023 |  | 2022 |  | 2023 |  | 2022
Pharmacology services | $ | 10,876 |  |  | $ | 13,480 |  |  | $ | 22,735 |  |  | $ | 26,236 |
Other TOS revenue | 697 |  |  | 731 |  |  | 1,381 |  |  | 1,679 |
Personalized oncology services | — |  |  | 70 |  |  | 18 |  |  | 111 |
Total oncology services revenue | $ | 11,573 |  |  | $ | 14,281 |  |  | $ | 24,134 |  |  | $ | 28,026 |

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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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