Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Other Intangible Assets [Abstract]

Schedule of Goodwill

The changes in the carrying amounts of goodwill for the years ended December 31, 2015 and 2014 were as follows (in thousands):

	Year Ended December 31,
	2015		2014
Beginning balance	$	54,612	$	58,707
Currency translation		(1,547)		(4,095)
Ending balance	$	53,065	$	54,612

Schedule of Identifiable Intangible Assets

Purchased intangible assets consisted of the following as of December 31, 2015 and 2014 (in thousands):

	December 31, 2015						December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Intangible Assets, Net		Gross Carrying Amount		Accumulated Amortization		Intangible Assets, Net
Finite-lived intangible assets:
Proprietary adjuvant technology	$	8,858	$	(1,070)	$	7,788	$	9,565	$	(678)	$	8,887
Collaboration agreements		3,999		(994)		3,005		4,319		(629)		3,690
Total identifiable intangible assets	$	12,857	$	(2,064)	$	10,793	$	13,884	$	(1,307)	$	12,577

Schedule of Estimated Amortization Expense

Estimated amortization expense for existing intangible assets for each of the five succeeding years ending December 31, is as follows (in thousands):

Year	Amount
2016	$	854
2017		854
2018		854
2019		854
2020		730