Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue Recognition

Schedule of disaggregation of revenues by payer types

	Three months ended
	March 31,
	2022		2021
(in thousands)
Insurance carriers	$	164,742	$	100,399
Laboratory and other partners		20,737		44,535
Patients		8,654		7,382
Total revenues	$	194,133	$	152,316

Schedule of total revenue by geographic area

	Three months ended
	March 31,
	2022		2021
(in thousands)
United States	$	187,217	$	144,957
Americas, excluding U.S.		741		813
Europe, Middle East, India, Africa		3,691		4,459
Asia Pacific and Other		2,484		2,087
Total revenues	$	194,133	$	152,316

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

	Balance at		Balance at
	March 31,		December 31,
(in thousands)	2022		2021
Assets:
Accounts receivable	$	167,862	$	122,074
Liabilities:
Deferred revenue, current portion	$	13,914	$	7,404
Deferred revenue, long-term portion		20,543		21,318
Total deferred revenues	$	34,457	$	28,722

Schedule of changes in the balance of deferred revenues

	March 31,			March 31,
	2022			2021
(in thousands)
Beginning balance	$	28,722	$	72,930
Increase in deferred revenues		10,508		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		(3,889)		(30,292)
Revenue recognized from performance obligations satisfied within the same period		(884)		(783)
Ending balance	$	34,457	$	32,885