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Goodwill and Other Intangible Assets
6 Months Ended
Jun. 30, 2016
Goodwill and Other Intangible Assets [Abstract]  
Goodwill and Other Intangible Assets
Note 6 – Goodwill and Other Intangible Assets
 
Goodwill
 
The change in the carrying amounts of goodwill for the six months ended June 30, 2016 was as follows (in thousands):
 
 
 
Amount
 
Balance at December 31, 2015
 
$
53,065
 
Currency translation adjustments
 
 
(124)
 
Balance at June 30, 2016
 
$
52,941
 
 
Identifiable Intangible Assets
 
Purchased intangible assets consisted of the following as of June 30, 2016 and December 31, 2015 (in thousands):
 
 
 
June 30, 2016
 
December 31, 2015
 
 
 
Gross Carrying Amount
 
Accumulated Amortization
 
Intangible Assets, Net
 
Gross Carrying Amount
 
Accumulated Amortization
 
Intangible Assets, Net
 
Finite-lived intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Proprietary adjuvant technology
 
$
8,802
 
$
(1,283)
 
$
7,519
 
$
8,858
 
$
(1,070)
 
$
7,788
 
Collaboration agreements
 
 
3,974
 
 
(1,193)
 
 
2,781
 
 
3,999
 
 
(994)
 
 
3,005
 
Total identifiable intangible assets
 
$
12,776
 
$
(2,476)
 
$
10,300
 
$
12,857
 
$
(2,064)
 
$
10,793
 
 
Amortization expense for the six months ended June 30, 2016 and 2015 was $0.4 million. 
 
Estimated amortization expense for existing intangible assets for the remainder of 2016 and for each of the five succeeding years ending December 31 will be as follows (in thousands):
 
Year
 
Amount
 
2016 (remainder)
 
$
424
 
2017
 
 
849
 
2018
 
 
849
 
2019
 
 
849
 
2020
 
 
725
 
2021
 
 
576