Fixed Assets (Tables)

9 Months Ended

Sep. 30, 2019

Property Plant And Equipment [Abstract]

Major Classes of Fixed Assets

Major classes of fixed assets consisted of the following:

		September 30,			December 31,
	Useful Lives	2019			2018
		(in thousands)
Computer hardware	3 Years	$	1,702		$	1,579
Computer software	3 Years		541			495
Medical lab equipment	5 Years		8,144			8,136
Furniture and fixtures	5 Years		234			233
Leasehold improvements	Shorter of lease term or estimated useful life		815			802
Assets not yet placed in service			2,402			1,087
Total			13,838			12,332
Less: Accumulated depreciation			(7,442	)		(5,886	)
Property and equipment, net		$	6,396		$	6,446