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PROPERTY AND EQUIPMENT (Tables)
 12 Months Ended
Dec. 31, 2018
Property Plant And Equipment [Abstract]  
Property and Equipment

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

 

 

 

December 31,

 

 

 

2018

 

 

2017

 

Land

 

$

1,006

 

 

$

1,006

 

Building and improvements

 

 

39,285

 

 

 

24,101

 

Office and lab equipment

 

 

55,333

 

 

 

33,269

 

Furniture, fixtures and computer related assets

 

 

6,941

 

 

 

4,431

 

Construction-in-progress

 

 

12,117

 

 

 

30,011

 

 

 

 

114,682

 

 

 

92,818

 

Less: Accumulated depreciation

 

 

(44,943

)

 

 

(36,368

)

Property and equipment, net

 

$

69,739

 

 

$

56,450