Intangible Assets

12 Months Ended

Dec. 31, 2019

Intangible Assets Net Excluding Goodwill [Abstract]

Note 6 – Intangible Assets

Intangible assets subject to amortization at December 31 were as follows:

December 31, 2019
Intangible Assets	Useful life	Gross Carrying Amount		Accumulated Amortization			Currency Exchange			Net
Amortized intangible assets
Patents	5-15 years	$	12,931	$	(10,634	)	$	(254	)	$	2,043
Developed product technology	2-10 years		159,129		(77,915	)		(7,857	)		73,357
Customer relationships	7-12 years		62,093		(30,138	)		(1,682	)		30,273
Software license and other	3-4 years		5,822		(5,765	)		(49	)		8
Total amortized intangible assets			239,975		(124,452	)		(9,842	)		105,681
Intangible assets with indefinite lives
In process research and development	Indefinite		4,580		-			-			4,580
Trademarks and trade names	Indefinite		10,303		-			(1,041	)		9,262
Total Intangible assets with indefinite lives			14,883		-			(1,041	)		13,842
Total intangible assets		$	254,858	$	(124,452	)	$	(10,883	)	$	119,523

December 31, 2018
Intangible Assets	Useful life	Gross Carrying Amount		Accumulated Amortization			Currency Exchange			Net
Amortized intangible assets
Patents	5-15 years	$	11,823	$	(9,848	)	$	(307	)	$	1,668
Developed product technology	2-10 years		159,129		(66,112	)		(6,221	)		86,796
Customer relationships	7-12 years		62,093		(24,737	)		(1,689	)		35,667
Software license and other	3-4 years		5,822		(5,713	)		(64	)		45
Total amortized intangible assets			238,867		(106,410	)		(8,281	)		124,176
Intangible assets with indefinite lives
In process research and development	Indefinite		4,580		-			-			4,580
Trademarks and trade names	Indefinite		10,303		-			(1,124	)		9,179
Total Intangible assets with indefinite lives			14,883		-			(1,124	)		13,759
Total intangible assets		$	253,750	$	(106,410	)	$	(9,405	)	$	137,935

Amortization expense related to intangible assets subject to amortization was $18.0 million, $18.4 million and $18.8 million for the years ended December 31, 2019, 2018 and 2017, respectively. In process research and development is transferred to amortized intangible assets at the time the product becomes viable.

The schedule below sets future amortization expense of our currently owned intangible assets:

2020	$	15,671
2021		15,065
2022		14,451
2023		14,186
2024		13,831
2025 and thereafter		32,477
Total	$	105,681