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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2025
Accounting Policies [Abstract] |
Schedule of Concentration of Risk, by Risk Factor and Significant Payer | For each significant payor and customer, revenue as a percentage of total revenue and accounts receivable as a percentage of total accounts receivable are as follows:
|  | Revenue
|  | Three Months Ended March 31, |  |
|  | 2025 |  | 2024 |  |  |  |
Medicare |  | 23 | % |  | 29 | % |  |  |  |
Medicare Advantage |  | 18 | % |  | 17 | % |  |  |  |
United Healthcare |  | * |  | 10 | % |  |  |  |
|  | Accounts Receivable, Net
|  | March 31, 2025 |  | December 31, 2024
Medicare |  | 24 | % |  | 13 | %
Medicare Advantage |  | 19 | % |  | 25 | %
* |  | Less than 10%.
Schedule of Disaggregation of Revenue | The following table includes the Company's revenues as disaggregated by payor and customer category (in thousands):
|  | Three Months Ended March 31, |  |
|  | 2025 |  | 2024 |  |  |  |
Revenue: |  |  |  |  |  |  |  |
Commercial |  | $ | 8,185 |  |  | $ | 6,863 |  |  |  |  |
Government |  | 3,637 |  |  | 4,186 |  |  |  |  |
Client direct bill(1) |  | 3,600 |  |  | 3,284 |  |  |  |  |
Other(2) |  | 76 |  |  | 82 |  |  |  |  |
Total revenue |  | $ | 15,498 |  |  | $ | 14,415 |  |  |  |  |
(1)Includes hospitals, other laboratories, etc. (2)Includes patient self-pay.
Schedule of Cash and Cash Equivalents | Cash, cash equivalents, and restricted cash presented in the accompanying condensed statements of cash flows consist of the following (in thousands):
|  | March 31, 2025 |  | December 31, 2024
Cash and cash equivalents |  | $ | 11,194 |  |  | $ | 22,036 |
Restricted cash |  | 200 |  |  | 200 |
Total cash, cash equivalents and restricted cash |  | $ | 11,394 |  |  | $ | 22,236 |
Schedule of Restricted Cash and Cash Equivalents | Cash, cash equivalents, and restricted cash presented in the accompanying condensed statements of cash flows consist of the following (in thousands):
|  | March 31, 2025 |  | December 31, 2024
Cash and cash equivalents |  | $ | 11,194 |  |  | $ | 22,036 |
Restricted cash |  | 200 |  |  | 200 |
Total cash, cash equivalents and restricted cash |  | $ | 11,394 |  |  | $ | 22,236 |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | Potentially dilutive securities not included in the calculation of diluted net loss per share, because to do so would be anti-dilutive, are as follows (in common stock equivalent shares):
|  | March 31, 2025 |  | March 31, 2024
Warrants to purchase common stock |  | 325,330 |  |  | 409,108 |
Common stock options |  | 608,146 |  |  | 928,900 |
Restricted stock units |  | 1,822,547 |  |  | 1,781,040 |
Employee stock purchase plan |  | 14,844 |  |  | 11,023 |
Total |  | 2,770,867 |  |  | 3,130,071 |

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