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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2017
Property Plant And Equipment [Abstract]  
Summary of Property and Equipment

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

 

 

 

December 31 ,

 

 

 

2017

 

 

2016

 

Laboratory equipment

 

$

7,572

 

 

$

6,206

 

Furniture and fixtures

 

 

1,494

 

 

 

636

 

Leasehold improvements

 

 

3,425

 

 

 

1,330

 

Buildings

 

 

3,876

 

 

 

3,876

 

Total

 

 

16,367

 

 

 

12,048

 

Less accumulated depreciation and amortization

 

 

(6,951

)

 

 

(5,639

)

Construction in Progress

 

 

21,650

 

 

 

148

 

 

 

$

31,066

 

 

$

6,557