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Summary Of Significant Accounting Policies - (Tables) | 12 Months Ended
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Dec. 31, 2019
Accounting Policies [Abstract] |
Schedule of Concentration of Risk, by Risk Factor and Significant Payer | For each significant payer, revenue as a percentage of total revenue and accounts receivable as a percentage of total accounts receivable are as follows:
|  |  |  |  | Revenue |  |  |
|  |  |  |  |  | Years Ended December 31, |  |
|  |  |  |  |  | 2019 |  | 2018
Medicare |  |  |  |  |  | 25 | % |  | 30 | %
Blue Shield |  |  |  |  |  | 12 | % |  | 14 | %
United Healthcare |  |  |  |  |  | 11 | % |  | 12 | %
Medicare Advantage |  |  |  |  |  | 11 | % |  | 10 | %
Janssen (SIMPONI®) |  |  |  |  |  | * |  |  | * |
* |  | Less than 10%.
|  |  |  | Accounts Receivable |  |
|  |  |  | December 31, |  |
|  |  |  | 2019 |  | 2018
Medicare |  |  |  | * |  |  | 26 | %
Blue Shield |  |  |  | 15 | % |  | 16 | %
United Healthcare |  |  |  | 22 | % |  | 11 | %
Medicare Advantage |  |  |  | * |  |  | 11 | %
Janssen (SIMPONI®) |  |  |  | 19 | % |  | * |
* |  | Less than 10%.
Disaggregation of Revenue | The following table includes the Company's revenues as disaggregated by payer category (in thousands):
|  |  |  |  |  | Years Ended December 31, |  |
|  |  |  |  |  | 2019 |  | 2018
Revenue: |  |  |  |  |  |  |  |
Healthcare insurers |  |  |  |  |  | $ | 23,984 |  |  | $ | 21,070 |
Government |  |  |  |  |  | 9,896 |  |  | 10,024 |
Client |  |  |  |  |  | 4,392 |  |  | 608 |
Other(1) |  |  |  |  |  | 639 |  |  | 738 |
Janssen (SIMPONI®) |  |  |  |  |  | 1,476 |  |  | — |
Total revenue |  |  |  |  |  | $ | 40,387 |  |  | $ | 32,440 |
(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 statements of cash flows consist of the following (in thousands):
|  |  |  | December 31, |  |
|  |  |  | 2019 |  | 2018
Cash and cash equivalents |  |  |  | $ | 72,084 |  |  | $ | 13,164 |
Restricted cash |  |  |  | 100 |  |  | 100 |
|  |  |  | $ | 72,184 |  |  | $ | 13,264 |
Schedule of Cash and Cash Equivalents | Cash, cash equivalents and restricted cash presented in the accompanying statements of cash flows consist of the following (in thousands):
|  |  |  | December 31, |  |
|  |  |  | 2019 |  | 2018
Cash and cash equivalents |  |  |  | $ | 72,084 |  |  | $ | 13,164 |
Restricted cash |  |  |  | 100 |  |  | 100 |
|  |  |  | $ | 72,184 |  |  | $ | 13,264 |
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):
|  |  |  |  |  | Years Ended December 31, |  |
|  |  |  |  |  | 2019 |  | 2018
Redeemable convertible preferred stock |  |  |  |  |  | — |  |  | 5,202,940 |
Warrants to purchase redeemable convertible preferred stock |  |  |  |  |  | — |  |  | 224,493 |
Warrants to purchase common stock |  |  |  |  |  | 461,273 |  |  | 934,789 |
Common stock options |  |  |  |  |  | 1,375,542 |  |  | 661,180 |
Total |  |  |  |  |  | 1,836,815 |  |  | 7,023,402 |

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