Property and Equipment, Net

12 Months Ended

Dec. 31, 2018

Property Plant And Equipment [Abstract]

Property and Equipment, Net

5.  Property and Equipment, Net

Property and equipment, net consist of the following (in thousands):

	December 31,
	2018			2017
Laboratory equipment	$	981		$	651
Furniture and office equipment		227			209
Computer equipment		89			111
Software		99			99
Leasehold improvements		374			271
Property and equipment, gross		1,770			1,341
Less: Accumulated depreciation and amortization		(752	)		(487	)
Property and equipment, net	$	1,018		$	854

Depreciation and amortization expense for the years ended December 31, 2018, 2017, and 2016 was $0.3 million, $0.2 million, and $0.1 million, respectively. All of the Company’s long-lived assets are located in the United States.