Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue Recognition

Schedule of disaggregation of revenues by payer types

	Three months ended				Nine months ended
	September 30,				September 30,
	2020		2019		2020		2019
(in thousands)
Insurance carriers	$	78,004	$	51,801	$	216,305	$	152,779
Laboratory and other partners		13,701		16,938		42,426		42,093
Patients		6,438		9,170		19,896		24,216
Total revenues	$	98,143	$	77,909	$	278,627	$	219,088

Schedule of total revenue by geographic area

	Three months ended				Nine months ended
	September 30,				September 30,
	2020		2019		2020		2019
(in thousands)
United States	$	93,511	$	64,839	$	260,999	$	187,515
Americas, excluding U.S.		1,081		806		2,584		2,391
Europe, Middle East, India, Africa		3,524		3,497		10,584		11,819
Asia Pacific and Other		27		8,767		4,460		17,363
Total revenues	$	98,143	$	77,909	$	278,627	$	219,088

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

	Balance at		Balance at
	September 30,		December 31,
(in thousands)	2020		2019
Assets:
Accounts receivable	$	70,674	$	53,351
Liabilities:
Deferred revenue, current portion	$	51,227	$	56,016
Deferred revenue, long-term portion		23,128		23,808
Total deferred revenues	$	74,355	$	79,824

Schedule of changes in the balance of deferred revenues

	Deferred
	Revenues
	(in thousands)
Balance at December 31, 2019	$	79,824
Increase in deferred revenues		1,579
Reclasses from deferred revenues to other short-term liabilities		(801)
Revenue recognized during the period that was included in deferred revenues at the beginning of the period		(5,290)
Revenue recognized from performance obligations satisfied within the same period		(957)
Balance at September 30, 2020	$	74,355