Property and Equipment, Net

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

4. Property and Equipment, Net

Property and equipment consisted of the following:

	For the Year Ended December 31,
	2018			2017
Laboratory equipment	$	1,529		$	2,476
Computer equipment		185			216
Office furniture and equipment		217			214
Leasehold improvements		579			578
Total property and equipment		2,510			3,484
Less accumulated depreciation and amortization		(2,116	)		(2,870	)
Property and equipment — net	$	394		$	614

Depreciation and amortization expense for the years ended December 31, 2018 and 2017 was $231 and $246, respectively. During the years ended 2018 and 2017, the Company recorded gross fixed asset disposals of $993 and $47 and their related accumulated depreciation of $985 and $47, respectively.