Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Other Intangible Assets [Abstract]

The change in the carrying amounts of goodwill for the six months ended June 30, 2015 was as follows (in thousands):

	Amount
Balance at December 31, 2014	$	54,612
Currency translation adjustments		(1,305)
Balance at June 30, 2015	$	53,307

Schedule of Identifiable Intangible Assets

Purchased intangible assets consisted of the following as of June 30, 2015 and December 31, 2014 (in thousands):

	June 30, 2015						December 31, 2014
	Gross						Gross
	Carrying		Accumulated		Intangible		Carrying		Accumulated		Intangible
	Amount		Amortization		Assets, Net		Amount		Amortization		Assets, Net
Finite-lived intangible assets:
Proprietary adjuvant technology	$	8,969	$	(860)	$	8,109	$	9,565	$	(678)	$	8,887
Collaboration agreements		4,049		(798)		3,251		4,319		(629)		3,690
Total identifiable intangible assets	$	13,018	$	(1,658)	$	11,360	$	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)	$	433
2016		865
2017		865
2018		865
2019		865
2020		865