Fixed Assets (Tables)

3 Months Ended

Mar. 31, 2020

Property Plant And Equipment [Abstract]

Major Classes of Fixed Assets

Major classes of fixed assets consisted of the following:

		March 31,			December 31,
	Useful Lives	2020			2019
		(in thousands)
Computer hardware	3 Years	$	1,711		$	1,705
Computer software	3 Years		541			541
Medical lab equipment	5 Years		10,540			10,493
Furniture and fixtures	5 Years		235			235
Leasehold improvements	Shorter of lease term or estimated useful life		876			876
Assets not yet placed in service			354			114
Total			14,257			13,964
Less: Accumulated depreciation			(8,559	)		(7,990	)
Property and equipment, net		$	5,698		$	5,974