Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Other Intangible Assets [Abstract]

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

Schedule of 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

Schedule of Estimated Amortization Expense

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