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Revenue from Contracts with Customers (Tables) | 6 Months Ended
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Oct. 31, 2022
Revenue from Contract with Customer [Abstract] |
Summary of disaggregation of revenue | The following tables represents disaggregated revenue for the three and six months ended October 31, 2022 and 2021:
| Three Months Ended October 31, |  | Six Months Ended October 31,
| 2022 |  | 2021 |  | 2022 |  | 2021
Pharmacology services | $ | 13,480 |  |  | $ | 11,143 |  |  | $ | 26,236 |  |  | $ | 21,846 |
Other TOS revenue | 731 |  |  | 643 |  |  | 1,679 |  |  | 1,169 |
Personalized oncology services | 70 |  |  | — |  |  | 111 |  |  | 24 |
Total oncology services revenue | $ | 14,281 |  |  | $ | 11,786 |  |  | $ | 28,026 |  |  | $ | 23,039 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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