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Intangible assets
 9 Months Ended
Sep. 30, 2017
Intangible assets  
Intangible assets

6            Intangible assets

 

The Company’s intangible assets include acquired licenses and acquired research and development (“Acquired R&D”) and are presented in the following table:

 

 

 

 

 

 

 

 

 

    

September 30, 

    

December 31,

 

 

2017

 

2016

 

 

in thousands

Licenses

 

$

9,417

 

$

7,799

Acquired research & development

 

 

5,512

 

 

4,908

Total intangible assets

 

 

14,929

 

 

12,707

Less accumulated amortization and impairment

 

 

(5,902)

 

 

(4,383)

Intangible assets, net

 

$

9,027

 

$

8,324

 

Amortization expense was $0.1 million and $0.9 million for the three and nine months ended September 30, 2017, respectively, compared to $0.1 million and $0.4 million during the same periods in 2016. All amortization was included in research and development expenses, except for $0.6 million related to the termination of the Chiesi collaboration, which was presented in other expense in the nine months ended September 30, 2017.