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Property and Equipment, net
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property and Equipment, net
Property and Equipment, net
Property and equipment consist of the following:
 
December 31,
 
2018
 
2017
Laboratory equipment, computers and software
$
1,753

 
$
1,736

Leasehold improvements
185

 
185

Office furniture and equipment
354

 
354

 
2,292

 
2,275

Less—Accumulated depreciation and amortization
(2,025
)
 
(1,909
)
Total
$
267

 
$
366


The Company recorded depreciation and amortization expense of $0.2 million for each of the years ended December 31, 2018 and 2017.
During the years ended December 31, 2018 and 2017, the Company identified certain of its fully depreciated assets no longer being used. As a result, the Company wrote off gross assets and related accumulated depreciation, totaling $0.1 million for each of the years ended December 31, 2018 and 2017.