Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

Revenue Recognition

Schedule of disaggregation of revenues by payer types

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
(in thousands)
Insurance carriers	$	132,423	$	78,004	$	351,218	$	216,305
Laboratory and other partners		17,441		13,701		77,575		42,426
Patients		8,252		6,438		23,665		19,896
Total revenues	$	158,116	$	98,143	$	452,458	$	278,627

Schedule of total revenue by geographic area

	Three months ended				Nine months ended
	September 30,				September 30,
	2021		2020		2021		2020
(in thousands)
United States	$	148,033	$	93,511	$	427,804	$	260,999
Americas, excluding U.S.		1,247		1,081		3,052		2,584
Europe, Middle East, India, Africa		5,598		3,524		14,322		10,584
Asia Pacific and Other		3,238		27		7,280		4,460
Total revenues	$	158,116	$	98,143	$	452,458	$	278,627

Schedule of beginning and ending balances of accounts receivable and deferred revenues

	Balance at		Balance at
	September 30,		December 31,
(in thousands)	2021		2020
Assets:
Accounts receivable	$	110,416	$	78,565
Liabilities:
Deferred revenue, current portion	$	9,667	$	50,125
Deferred revenue, long-term portion		22,706		22,805
Total deferred revenues	$	32,373	$	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		4,703
Refunds of revenues previously deferred		(10,000)
Revenue recognized during the period that was included in deferred revenues at the beginning of the period		(32,864)
Revenue recognized from performance obligations satisfied within the same period		(2,396)
Balance at September 30, 2021	$	32,373