Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Other Intangible Assets [Abstract]

Schedule of Goodwill

The changes in the carrying amounts of goodwill for the year ended December 31, 2014 and 2013 were as following (in thousands):

	Year Ended
	December 31,
	2014		2013
Beginning balance	$	58,707	$	33,141
Goodwill resulting from acquisition of business		—		25,424
Currency translation		(4,095)		142
Ending balance	$	54,612	$	58,707

Schedule of Identifiable Intangible Assets

Purchased intangible assets consisted of the following as of December 31, 2014 and 2013 (in thousands):

	December 31, 2014						December 31, 2013
	Gross						Gross
	Carrying		Accumulated		Intangible		Carrying		Accumulated		Intangible
	Amount		Amortization		Assets, Net		Amount		Amortization		Assets, Net
Finite-lived intangible assets:
Proprietary adjuvant technology	$	9,565	$	(678)	$	8,887	$	11,514	$	(240)	$	11,274
Collaboration agreements		4,319		(629)		3,690		5,199		(223)		4,976
Total identifiable intangible assets	$	13,884	$	(1,307)	$	12,577	$	16,713	$	(463)	$	16,250

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
2015	$	923
2016		923
2017		923
2018		923
2019		923