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Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Apr. 30, 2023
Revenue from Contract with Customer [Abstract] |
Summary of Disaggregation of Revenue | The following table represents disaggregated revenue for the twelve months ended April 30, 2023 and 2022:
| Year Ended April 30, |
| 2023 |  | 2022 |
Pharmacology services | $ | 50,708 |  |  | $ | 46,833 |  |
Other TOS revenue | 3,046 |  |  | 2,227 |  |
Personalized oncology services | 116 |  |  | 49 |  |
Total oncology services revenue | $ | 53,870 |  |  | $ | 49,109 |  |
Other TOS revenue represents additional services provided to the Company's pharmaceutical and biotechnology customers, specifically flow cytometry services and SaaS provided via our Lumin Bioinformatics software.

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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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