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Revenue Recognition (Tables) | 3 Months Ended
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Mar. 31, 2021
Revenue Recognition |
Schedule of disaggregation of revenues by payer types | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​
​ | ​ | March 31, | ​
​ | ​ | 2021 | ​ | 2020 | ​
(in thousands) | ​ | ​ | ​ | ​ | ​ | ​
Insurance carriers | ​ | $ | 100,399 | ​ | $ | 70,672 | ​
Laboratory and other partners | ​ | ​ | 44,535 | ​ | ​ | 15,683 | ​
Patients | ​ | ​ | 7,382 | ​ | ​ | 7,657 | ​
Total revenues | ​ | $ | 152,316 | ​ | $ | 94,012 | ​
Schedule of total revenue by geographic area | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​
​ | ​ | March 31, | ​
​ |  | 2021 |  | 2020 |
(in thousands) | ​ | ​ | ​ | ​ | ​ | ​
United States |  | $ | 144,957 | ​ | $ | 86,731 | ​
Americas, excluding U.S. |  | ​ | 813 | ​ | ​ | 782 | ​
Europe, Middle East, India, Africa |  | ​ | 4,459 | ​ | ​ | 3,476 | ​
Asia Pacific and Other |  | ​ | 2,087 | ​ | ​ | 3,023 | ​
Total revenues |  | $ | 152,316 | ​ | $ | 94,012 | ​
Schedule of beginning and ending balances of accounts receivable and deferred revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | Balance at
​ | ​ | March 31, | ​ | December 31,
(in thousands) | ​ | 2021 | ​ | 2020
Assets: | ​ | ​ | ​ | ​ | ​ | ​
Accounts receivable | ​ | $ | 87,562 | ​ | $ | 78,565
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​
Deferred revenue, current portion | ​ | $ | 9,069 | ​ | $ | 50,125
Deferred revenue, long-term portion | ​ | ​ | 23,816 | ​ | ​ | 22,805
Total deferred revenues | ​ | $ | 32,885 | ​ | $ | 72,930
Schedule of changes in the balance of deferred revenues | ​
​ | ​ | ​ | ​
​ | ​ | Deferred
​ | ​ | Revenues
​ | ​ | (in thousands)
Balance at December 31, 2020 | ​ | $ | 72,930
Increase in deferred revenues | ​ | ​ | 1,030
Refunds of revenues previously deferred | ​ | ​ | (10,000)
Revenue recognized during the period that was included in deferred revenues at the beginning of the period | ​ | ​ | (30,292)
Revenue recognized from performance obligations satisfied within the same period | ​ | ​ | (783)
Balance at March 31, 2021 | ​ | $ | 32,885

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