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Summary Of Significant Accounting Policies - (Tables) | 3 Months Ended
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Mar. 31, 2020
Accounting Policies [Abstract] |
Schedule of Concentration of Risk, by Risk Factor and Significant Payer | For each significant payer 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, |  |  |  |  |  |
|  | 2020 |  | 2019 |  |  |  |
Medicare |  | 25 | % |  | 26 | % |  |  |  |
Blue Shield |  | 12 | % |  | 13 | % |  |  |  |
United Healthcare |  | 10 | % |  | 11 | % |  |  |  |
Medicare Advantage |  | 13 | % |  | 10 | % |  |  |  |
|  |  |  | Accounts Receivable |  |
|  |  |  | March 31, 2020 |  | December 31, 2019
United Healthcare |  |  |  | 22 | % |  | 22 | %
Blue Shield |  |  |  | 14 | % |  | 15 | %
Janssen (SIMPONI®) |  |  |  | * |  |  | 19 | %
* |  | Less than 10%.
Disaggregation of Revenue | The following table includes the Company's revenues as disaggregated by payer and customer category (in thousands):
|  | Three Months Ended March 31, |  |  |  |  |  |
|  | 2020 |  | 2019 |  |  |  |
Revenue: |  |  |  |  |  |  |  |
Healthcare insurers |  | $ | 6,062 |  |  | $ | 5,461 |  |  |  |  |
Government |  | 2,245 |  |  | 2,432 |  |  |  |  |
Client |  | 1,082 |  |  | 1,105 |  |  |  |  |
Other(1) |  | 195 |  |  | 162 |  |  |  |  |
Janssen (SIMPONI®) |  | — |  |  | 100 |  |  |  |  |
Total revenue |  | $ | 9,584 |  |  | $ | 9,260 |  |  |  |  |
(1)Includes patient self-pay that is immaterial.
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, 2020 |  | December 31, 2019
Cash and cash equivalents |  |  |  | $ | 68,648 |  |  | $ | 72,084 |
Restricted cash |  |  |  | 100 |  |  | 100 |
|  |  |  | $ | 68,748 |  |  | $ | 72,184 |
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, 2020 |  | December 31, 2019
Cash and cash equivalents |  |  |  | $ | 68,648 |  |  | $ | 72,084 |
Restricted cash |  |  |  | 100 |  |  | 100 |
|  |  |  | $ | 68,748 |  |  | $ | 72,184 |
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):
|  | Three Months Ended March 31, |  |  |  |  |  |
|  | 2020 |  | 2019 |  |  |  |
Redeemable convertible preferred stock |  | — |  |  | 5,734,680 |  |  |  |  |
Warrants to purchase redeemable convertible preferred stock |  | — |  |  | 224,493 |  |  |  |  |
Warrants to purchase common stock |  | 436,581 |  |  | 934,789 |  |  |  |  |
Common stock options |  | 1,630,014 |  |  | 662,365 |  |  |  |  |
Total |  | 2,066,595 |  |  | 7,556,327 |  |  |  |  |

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