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Goodwill and Other Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The change in the carrying amounts of goodwill for the nine months ended September 30, 2017 was as follows (in thousands):
 
 
 
Amount
 
Balance at December 31, 2016
 
$
51,673
 
Currency translation adjustments
 
 
2,073
 
Balance at September 30, 2017
 
$
53,746
 
Schedule of Identifiable Intangible Assets
Purchased intangible assets consisted of the following as of September 30, 2017 and December 31, 2016 (in thousands):
 
 
 
September 30, 2017
 
December 31, 2016
 
 
 
Gross
 
 
 
 
 
 
 
 
Gross
 
 
 
 
 
 
 
 
 
Carrying
 
Accumulated
 
 
Intangible
 
Carrying
 
Accumulated
 
Intangible
 
 
 
Amount
 
Amortization
 
 
Assets, Net
 
Amount
 
Amortization
 
Assets, Net
 
Finite-lived intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Proprietary adjuvant technology
 
$
9,170
 
$
(1,910)
 
 
$
7,260
 
$
8,222
 
$
(1,404)
 
$
6,818
 
Collaboration agreements
 
 
4,140
 
 
(3,262)
 
 
 
878
 
 
3,713
 
 
(1,306)
 
 
2,407
 
Total identifiable intangible assets
 
$
13,310
 
$
(5,172)
 
 
$
8,138
 
$
11,935
 
$
(2,710)
 
$
9,225
 
Schedule of Estimated Amortization Expense
Estimated amortization expense for existing intangible assets for the remainder of 2017 and for each of the five succeeding years ending December 31 will be as follows (in thousands):
 
Year
 
Amount
 
2017 (remainder)
 
$
192
 
2018
 
 
769
 
2019
 
 
769
 
2020
 
 
639
 
2021
 
 
458
 
2022
 
 
458