Discontinued Operations - Schedule of Consolidated Statements of Operations as Discontinued Operations (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Operating expenses:
Loss from discontinued operations, net of taxes	$ (5,999)
PLI
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Diagnostic services revenue	36,593
Operating expenses:
Cost of diagnostic services revenue	12,625
Research and development	4,956
Sales and marketing	10,993
General and administrative	9,885
Restructuring	2,260
Amortization of intangible assets	1,179
Goodwill impairment charge	724
Total operating expenses	42,622
Income (loss) from discontinued operations	(6,029)
Interest income	30
Loss from discontinued operations, net of taxes	$ (5,999)