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Property and Equipment
 12 Months Ended
Dec. 31, 2018
Property and Equipment  
Property and Equipment

4. Property and Equipment

Property and equipment consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

December 31,

 

 

 

2018

 

2017

 

Laboratory equipment

    

$

1,756

    

$

1,684

 

Office equipment

 

 

148

 

 

139

 

 

 

 

1,904

 

 

1,823

 

Less: accumulated depreciation

 

 

(610)

 

 

(484)

 

 

 

$

1,294

 

$

1,338

 

 

Depreciation expense was $127 thousand,  $126 thousand, and $23 thousand for the years ended December 31, 2018, 2017 and 2016, respectively.