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Property and equipment, net
3 Months Ended
Mar. 31, 2017
Property, Plant and Equipment [Abstract]  
Property and equipment, net
Property and equipment, net

Property and equipment consisted of the following (in thousands):
 
March 31,
 
December 31,
 
2017
 
2016
 
 
 
 
Computer equipment
$
329

 
$
329

Office and other equipment
301

 
301

Laboratory equipment
617

 
563

Leasehold improvements
63

 
63

Gross property and equipment
1,310

 
1,256

Less: Accumulated depreciation
(672
)
 
(627
)
Property and equipment, net
$
638

 
$
629


The Company incurred immaterial depreciation expense for both the three months ended March 31, 2017 and 2016.