Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Revenue Recognition

Schedule of disaggregation of revenue by test families

	Year Ended December 31,
	2019		2018		2017
(Amounts in thousands)
Product revenues
Sale of genetic tests	$	269,881	$	240,366	$	203,777
Licensing and other
Upfront license and Constellation and paternity		5,089		10,344		4,229
License and development services		16,379		294		—
Other		10,979		6,650		1,619
Licensing and other revenues		32,447		17,288		5,848
Total revenues	$	302,328	$	257,654	$	209,625

Schedule of disaggregation of revenue by payer types

	Year Ended December 31,
	2019		2018		2017
(Amounts in thousands)
Insurance carriers	$	210,919	$	193,895	$	163,861
Laboratory partners		59,876		44,062		36,001
Patients		31,533		19,697		9,763
Total revenues	$	302,328	$	257,654	$	209,625

Schedule of total revenue by geographic area

	Year ended December 31,
	2019		2018		2017
(Amounts in thousands)
United States	$	260,846	$	225,931	$	185,533
Americas, excluding U.S.		3,218		3,472		3,028
Europe, Middle East, India, Africa		15,434		20,866		13,998
Asia Pacific and Other		22,830		7,385		7,066
Total	$	302,328	$	257,654	$	209,625

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

	Balance at		Balance at
	December 31,		December 31,
	2019		2018
(Amounts in thousands)
Assets:
Accounts receivable	$	53,351	$	62,223
Liabilities:
Deferred revenue, current portion	$	56,016	$	4,131
Deferred revenue, long-term portion		23,808		40,058
Total deferred revenues	$	79,824	$	44,189

Schedule of changes in the balance of deferred revenues

	Deferred
	Revenues
	(in thousands)
Balance at December 31, 2018	$	44,189
Increase in deferred revenues		65,026
Revenue recognized during the period that was included in deferred revenues at the beginning of the period		(970)
Revenue recognized from performance obligations satisfied within the same period		(23,209)
Transferred in the sale of business		(5,212)
Balance at December 31, 2019	$	79,824

Schedule of insurance carrier reserve balance

	December 31,		December 31,
	2019		2018
(Amounts in thousands)
Beginning balance	$	10,012	$	6,795
Additional reserves		9,560		10,295
Reserves released		(10,162)		(7,078)
Ending balance	$	9,410	$	10,012
Released into revenue	$	2,410	$	3,324