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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment
Property and equipment consists of the following (in thousands):
 
December 31,
 
2016
 
2015
Computer equipment
$
2,520

 
$
3,069

Software
2,352

 
1,801

Furniture and office equipment
897

 
919

Lab equipment
20,208

 
17,306

Leasehold improvements
17,807

 
11,936

Property and equipment
43,784

 
35,031

Less accumulated depreciation
(25,823
)
 
(20,190
)
Property and equipment, net
$
17,961

 
$
14,841