Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets activity summary - finite lived

Intangible assets are summarized as follows (in thousands):

	December 31, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets
Licenses	$	1,414	$	(1,200	)	$	214	$	1,414	$	(1,066	)	$	348
Patents and know how	9,099		(5,070		)	4,029		9,180		(4,475		)	4,705
Customer and supplier relationships	3,761		(2,417		)	1,344		4,271		(2,202		)	2,069
Non-compete agreements	120		(68		)	52		120		(38		)	82
Total amortized intangible assets	$	14,394	$	(8,755	)	$	5,639	$	14,985	$	(7,781	)	$	7,204
Unamortized intangible assets
Trade names and trademarks	$	1,008				$	1,008	$	1,008				$	1,008
Patents in process	1,130					1,130		1,396					1,396
Total intangible assets	$	16,532				$	7,777	$	17,389				$	9,608

Intangible assets activity summary - indefinite lived

Intangible assets are summarized as follows (in thousands):

	December 31, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortized intangible assets
Licenses	$	1,414	$	(1,200	)	$	214	$	1,414	$	(1,066	)	$	348
Patents and know how	9,099		(5,070		)	4,029		9,180		(4,475		)	4,705
Customer and supplier relationships	3,761		(2,417		)	1,344		4,271		(2,202		)	2,069
Non-compete agreements	120		(68		)	52		120		(38		)	82
Total amortized intangible assets	$	14,394	$	(8,755	)	$	5,639	$	14,985	$	(7,781	)	$	7,204
Unamortized intangible assets
Trade names and trademarks	$	1,008				$	1,008	$	1,008				$	1,008
Patents in process	1,130					1,130		1,396					1,396
Total intangible assets	$	16,532				$	7,777	$	17,389				$	9,608

Estimated future amortization expense of intangible assets

Expected future amortization of intangible assets as of December 31, 2019, is as follows (in thousands):

	Estimated
	Amortization
Year ending December 31,	Expense
2020	$	985
2021	977
2022	955
2023	955
2024	955
Thereafter	812
	$	5,639

Changes in carrying amount of goodwill

The following represents the changes in the carrying amount of goodwill for 2019 and 2018 (in thousands):

	Goodwill
Balance as of January 1, 2018	$	19,976
Activity	—
Balance as of December 31, 2018	19,976
Activity	—
Balance as of December 31, 2019	$	19,976