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Revenue and Accounts Receivable Credit Concentration (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue From Contract With Customer [Abstract] |
Summary of Revenue | Revenues consisted of the following (in thousands):
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |
Diagnostic tests |  | $ | 48,937 |  |  | $ | 40,919 |
Services |  |  | 5,569 |  |  |  | 4,638 |
Total revenue |  | $ | 54,506 |  |  | $ | 45,557 |
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:
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |
The Big Ten Conference |  |  | 40 | % |  |  | 30 | %
Centura Healthcare |  |  | 5 | % |  |  | 17 | %
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 December 31, |
|  | 2021 |  |  | 2020 |
Medicare |  |  | 30 | % |  |  | 6 | %
Janssen Research and Development, LLC |  |  | 14 | % |  |  | 5 | %
LabCorp DD (formerly Covance) |  |  | 11 | % |  |  | 2 | %
The Big Ten Conference |  |  | — | % |  |  | 35 | %
Centura Healthcare |  |  | — | % |  |  | 24 | %

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