REVENUE (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

The following table presents the Company’s revenues disaggregated by revenue source:

​	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2020		2019		2020		2019
Screening
Medicare Parts B & C	$	59,583	$	103,569	$	157,742	$	186,486
Commercial	65,080		88,818		174,449		162,169
Other	6,670		7,483		18,593		13,258
Total Screening	131,333		199,870		350,784		361,913
Precision Oncology
Medicare Parts B & C	$	33,994	$	—	$	81,028	$	—
Commercial	45,420		—		99,810		—
International	19,018		—		39,980		—
Other	4,524		—		10,508		—
Total Precision Oncology	102,956		—		231,326		—
COVID-19 Testing	$	34,579	$	—	$	34,579	$	—
Total	$	268,868	$	199,870	$	616,689	$	361,913