Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2019

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Note 6 – Goodwill and Other Intangible Assets

Goodwill

The change in the carrying amounts of goodwill for the six months ended June 30, 2019 was as follows (in thousands):

	Amount
Balance at December 31, 2018	$	51,967
Currency translation adjustments		(687)
Balance at June 30, 2019	$	51,280

Identifiable Intangible Assets

Purchased intangible assets consisted of the following as of June 30, 2019 and December 31, 2018 (in thousands):

	June 30, 2019						December 31, 2018
	Gross						Gross
	Carrying		Accumulated		Intangible		Carrying		Accumulated		Intangible
	Amount		Amortization		Assets, Net		Amount		Amortization		Assets, Net
Finite-lived intangible assets:
Proprietary adjuvant technology	$	8,043	$	(2,379)	$	5,664	$	8,357	$	(2,263)	$	6,094
Collaboration agreements		3,632		(3,338)		294		3,773		(3,326)		447
Total identifiable intangible assets	$	11,675	$	(5,717)	$	5,958	$	12,130	$	(5,589)	$	6,541

Amortization expense for the six months ended June 30, 2019 and 2018 was $0.3 million  and $0.4 million, respectively.

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)	$	337
2020		561
2021		402
2022		402
2023		402
2024		402