Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Other Intangible Assets [Abstract]

The change in the carrying amounts of goodwill for the three months ended March 31, 2015 was as follows (in thousands):

	Amount
Balance at December 31, 2014	$	54,612
Currency translation adjustments		(1,948)
Balance at March 31, 2015	$	52,664

Schedule of Identifiable Intangible Assets

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

		March 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	$	8,675	$	(722)	$	7,953	$	9,565	$	(678)	$	8,887
Collaboration agreements		3,917		(672)		3,245		4,319		(629)		3,690
Total identifiable intangible assets	$	12,592	$	(1,394)	$	11,198	$	13,884	$	(1,307)	$	12,577

Schedule of Estimated Amortization Expense

Estimated amortization expense for existing intangible assets for the remainder of 2015 and for each of the five succeeding years ending December 31 will be as follows (in thousands):

Year	Amount
2015 (remainder)	$	628
2016		837
2017		837
2018		837
2019		837
2020		837