Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2019

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Note 6 – Goodwill and Other Intangible Assets

Goodwill

The changes in the carrying amounts of goodwill for the years ended December 31, 2019 and 2018 were as follows (in thousands):

	Year Ended
	December 31,
	2019		2018
Beginning balance	$	51,967	$	53,563
Currency translation adjustments		(813)		(1,596)
Ending balance	$	51,154	$	51,967

Identifiable Intangible Assets

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

	December 31, 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	$	7,985	$	(2,562)	$	5,423	$	8,357	$	(2,263)	$	6,094
Collaboration agreements		3,606		(3,448)		158		3,773		(3,326)		447
Total identifiable intangible assets	$	11,591	$	(6,010)	$	5,581	$	12,130	$	(5,589)	$	6,541

Amortization expense for the years ended December 2019, 2018 and 2017 was $0.7 million, $0.7 million and $2.2 million, respectively. Estimated amortization expense for existing intangible assets for each of the five succeeding years ending December 31, is as follows (in thousands):

Year	Amount
2020	$	557
2021		399
2022		399
2023		399
2024		399