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Revenue and Accounts Receivable Credit Concentration (Tables) | 6 Months Ended
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Jun. 30, 2025
Revenue from Contract with Customer [Abstract] |
Summary of Revenue | Revenues consisted of the following (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Diagnostic Tests |  | $ | 17,898 |  |  | $ | 16,539 |  |  | $ | 34,215 |  |  | $ | 30,335 |
Development Services |  |  | 2,120 |  |  |  | 1,386 |  |  |  | 3,761 |  |  |  | 2,408 |
Total revenues |  | $ | 20,018 |  |  | $ | 17,925 |  |  | $ | 37,976 |  |  | $ | 32,743 |
Summary of Revenue and Accounts Receivable by Third-party Payors and Other Customers | The Company’s customers in excess of 10% of total revenue and their related revenue as a percentage of total revenue were as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
United Healthcare |  |  | 11 | % |  |  | 13 | % |  |  | 6 | % |  |  | 12 | %
The Company’s third-party payors and other customers in excess of 10% of accounts receivable, and their related accounts receivable as a percentage of total accounts receivable were as follows:
|  | As of |  |
|  | June 30, 2025 |  |  | December 31, 2024 |  |
Medicare |  |  | 24 | % |  |  | 21 | % |
Daiichi Sankyo |  |  | — | % |  |  | 14 | % |

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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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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 + Details
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