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Property and equipment, net
6 Months Ended
Jun. 30, 2018
Property, Plant and Equipment [Abstract]  
Property and equipment, net
Property and equipment, net

Property and equipment consisted of the following (in thousands):
 
June 30,
 
December 31,
 
2018
 
2017
 
 
 
 
Computer equipment
$
329

 
$
329

Office and other equipment
301

 
301

Laboratory equipment
643

 
643

Leasehold improvements
63

 
63

Gross property and equipment
1,336

 
1,336

Less: Accumulated depreciation
(891
)
 
(811
)
Property and equipment, net
$
445

 
$
525


The Company incurred immaterial depreciation expense for both the three months ended June 30, 2018 and 2017 and $0.1 million for both the six months ended June 30, 2018 and 2017.