Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue Recognition

Schedule of disaggregation of revenue by test families

	Three months ended				Six months ended
	June 30,				June 30,
	2018		2017		2018		2017
(Amounts in thousands)			(As Revised)				(As Revised)
Sales of genetic tests
Panorama NIPT	$	35,715	$	31,527	$	68,982	$	64,086
HCS		21,421		16,472		39,683		29,425
Other genetic tests		3,217		2,930		5,957		5,812
Product revenues		60,353		50,929		114,622		99,323
Licensing and other
Constellation		1,293		1,045		2,598		2,033
Other		1,423		309		8,189		309
Licensing and other revenues		2,716		1,354		10,787		2,342
Total revenues	$	63,069	$	52,283	$	125,409	$	101,665

Schedule of disaggregation of revenue by sales vertical

	Three months ended				Six months ended
	June 30,				June 30,
	2018		2017		2018		2017
(Amounts in thousands)			(As Revised)				(As Revised)
Insurance carriers	$	48,321	$	41,022	$	92,463	$	79,862
Laboratory partners		10,132		9,179		25,020		17,272
Patients		4,616		2,082		7,926		4,531
Total revenues	$	63,069	$	52,283	$	125,409	$	101,665

Schedule of total revenue by geographic area

	Three months ended				Six months ended
	June 30,				June 30,
	2018		2017		2018		2017
(Amounts in thousands)			(As Revised)				(As Revised)
United States	$	56,631	$	46,007	$	106,995	$	89,832
Americas, excluding U.S.		847		785		1,697		1,485
Europe, Middle East, India, Africa		3,756		3,620		13,078		6,836
Other		1,835		1,871		3,639		3,512
Total revenues	$	63,069	$	52,283	$	125,409	$	101,665

Schedule of changes in the balances of the Company's contract assets and liabilities

	Balance at		Balance at
	June 30,		December 31,
	2018		2017
(Amounts in thousands)			(As Revised)
Assets:
Accounts receivable	$	57,002	$	44,089
Liabilities:
Deferred revenue, current portion	$	1,174	$	1,420
Deferred revenue, long-term portion		36,135		—
Total deferred revenues	$	37,309	$	1,420

Schedule of changes in the balance of deferred revenues

	Deferred
	Revenues
	(in thousands)
Balance at December 31, 2017	$	1,420
Increase in deferred revenues		36,832
Revenue recognized during the period that was included in deferred revenues at the beginning of the period		(580)
Revenue recognized from performance obligations satisfied within the same period		(363)
Balance at June 30, 2018	$	37,309