Goodwill and Intangible Assets, Net

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets, Net

Goodwill and Intangible Assets, Net

Goodwill

Changes in the carrying amount of goodwill were as follows:

(In thousands)
Balance at December 31, 2020	$	48,614
Foreign exchange effects	(87)
Balance at March 31, 2021	$	48,527

Intangible Assets, Net

The components of intangible assets, net were as follows:

	March 31, 2021						December 31, 2020
(In thousands)	Gross (1)		Accumulated Amortization (1)		Net		Gross (1)		Accumulated Amortization (1)		Net
Capitalized software development costs	$	703	$	(4)	$	699	$	477	$	—	$	477
Customer relationships	8,100		(4,506)		3,594		8,100		(4,329)		3,771
Developed and core technology	4,080		(3,117)		963		4,080		(3,044)		1,036
Distribution rights	336		(256)		80		352		(261)		91
Patents	22,287		(7,931)		14,356		21,601		(7,574)		14,027
Trademarks and trade names	800		(519)		281		800		(492)		308
Total intangible assets, net	$	36,306	$	(16,333)	$	19,973	$	35,410	$	(15,700)	$	19,710

(1)This table excludes the gross value of fully amortized intangible assets totaling $42.8 million and $42.7 million at March 31, 2021 and December 31, 2020, respectively.

Amortization expense is recorded in selling, general and administrative expenses, except amortization expense related to capitalized software development costs, which is recorded in cost of sales. Amortization expense by statement of operations caption was as follows:

(In thousands)	Three Months Ended March 31,
	2021		2020
Cost of sales	$	4	$	—
Selling, general and administrative expenses	834		1,800
Total amortization expense	$	838	$	1,800

Estimated future annual amortization expense related to our intangible assets at March 31, 2021, was as follows:

(In thousands)
2021 (remaining 9 months)	$	2,514
2022	3,586
2023	3,424
2024	2,508
2025	2,239
Thereafter	5,702
Total	$	19,973