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Property, plant and equipment
9 Months Ended
Sep. 30, 2017
Property, plant and equipment  
Property, plant and equipment

5            Property, plant and equipment

 

The following table presents the Company’s property, plant and equipment as of September 30, 2017, and December 31, 2016:

 

 

 

 

 

 

 

 

 

 

September 30, 

 

December 31,

 

    

2017

    

2016

 

 

in thousands

Leasehold improvements

 

$

33,054

 

$

30,582

Laboratory equipment

 

 

15,952

 

 

14,166

Office equipment

 

 

2,926

 

 

2,710

Construction-in-progress

 

 

365

 

 

313

Total property, plant, and equipment

 

 

52,297

 

 

47,771

Less accumulated depreciation

 

 

(17,644)

 

 

(12,069)

Property, plant and equipment, net

 

$

34,653

 

$

35,702

 

Total depreciation expense was $1.7 million and $5.1 million during the three and nine months ended September 30, 2017, respectively, compared to $1.4 million and $4.1 million during the same periods in 2016. Depreciation expense is allocated to research and development to the extent it relates to the Company’s manufacturing facility and equipment. All other depreciation expenses are allocated to selling, general and administrative expense.