Goodwill and Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill were as follows:

(In thousands)
Balance at December 31, 2021	$	48,463
Goodwill acquired during the period (1)	713
Foreign exchange effects	(132)
Balance at June 30, 2022	$	49,044

(1) During the six months ended June 30, 2022, we recognized $0.7 million of goodwill related to the Qterics, Inc. ("Qterics") acquisition. Refer to Note 19 for further information about this acquisition.

Components of Intangible Assets, Net

The components of intangible assets, net were as follows:

	June 30, 2022						December 31, 2021
(In thousands)	Gross (1)		Accumulated Amortization (1)		Net		Gross (1)		Accumulated Amortization (1)		Net
Capitalized software development costs	$	1,391	$	(52)	$	1,339	$	1,066	$	(27)	$	1,039
Customer relationships	6,340		(2,718)		3,622		5,000		(2,375)		2,625
Developed and core technology	4,520		(3,511)		1,009		4,080		(3,335)		745
Distribution rights	300		(261)		39		325		(269)		56
Patents	26,650		(9,773)		16,877		24,518		(9,015)		15,503
Trademarks and trade names	850		(656)		194		800		(599)		201
Total intangible assets, net	$	40,051	$	(16,971)	$	23,080	$	35,789	$	(15,620)	$	20,169

(1)This table excludes the gross value of fully amortized intangible assets totaling $43.6 million and $43.2 million at June 30, 2022 and December 31, 2021, respectively.

Finite-lived Intangible Assets Amortization Expense

Amortization expense by statement of operations caption was as follows:

(In thousands)	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Cost of sales	$	12	$	4	$	24	$	8
Selling, general and administrative expenses	989		712		1,910		1,546
Total amortization expense	$	1,001	$	716	$	1,934	$	1,554

Estimated Future Amortization Expense Related to Intangible Assets

Estimated future annual amortization expense related to our intangible assets at June 30, 2022, was as follows:

(In thousands)
2022 (remaining 6 months)	$	2,295
2023	4,592
2024	3,792
2025	3,031
2026	2,814
Thereafter	6,556
Total	$	23,080