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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2015
Property Plant And Equipment [Abstract]  
Summary of Property and Equipment

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

 

 

 

December 31,

 

 

 

2015

 

 

2014

 

Laboratory equipment

 

$

5,801

 

 

$

3,665

 

Furniture and fixtures

 

 

652

 

 

 

550

 

Leasehold improvements

 

 

1,309

 

 

 

1,163

 

 

 

 

7,762

 

 

 

5,378

 

Less accumulated depreciation and amortization

 

 

(4,846

)

 

 

(3,899

)

 

 

$

2,916

 

 

$

1,479