Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Note 6 – Goodwill and Other Intangible Assets

Goodwill

The change in the carrying amounts of goodwill for the three months ended March 31, 2019 was as follows (in thousands):

	Amount
Balance at December 31, 2018	$	51,967
Currency translation adjustments		(722	)
Balance at March 31, 2019	$	51,245

Identifiable Intangible Assets

Purchased intangible assets consisted of the following as of March 31, 2019 and December 31, 2018 (in thousands):

	March 31, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated     Amortization			Intangible Assets, Net		Gross Carrying Amount		Accumulated     Amortization			Intangible Assets, Net
Finite-lived intangible assets:
Proprietary adjuvant technology	$	8,026	$	(2,274	)	$	5,752	$	8,357	$	(2,263	)	$	6,094
Collaboration agreements		3,624		(3,262	)		362		3,773		(3,326	)		447
Total identifiable intangible assets	$	11,650	$	(5,536	)	$	6,114	$	12,130	$	(5,589	)	$	6,541

Amortization expense for the three months ended March 31, 2019 and 2018 was $0.2 million.

Estimated amortization expense for existing intangible assets for the remainder of 2019 and for each of the five succeeding years ending December 31 will be as follows (in thousands):

Year	Amount
2019 (remainder)	$	505
2020		560
2021		401
2022		401
2023		401
2024		401