Intangible Assets

3 Months Ended

Mar. 31, 2021

Intangible Assets, Net (Excluding Goodwill) [Abstract]

5. Intangible Assets

Acquired Intangible Assets

The following tables present details of the Company’s acquired finite-lived intangible assets, as of March 31, 2021 and December 31, 2020 (in thousands, except weighted-average amortization period):


As of March 31, 2021	Weighted-Average Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net
Customer relationships	15.0 years	$	6,991	$	(1,748)	$	5,243
Trade secrets and processes	20.0 years	5,256		(854)		4,402
Other	5.0 years	1,803		(1,351)		452
Total intangible assets	16.7 years	$	14,050	$	(3,953)	$	10,097


As of December 31, 2020	Weighted-Average Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net
Customer relationships	15.0 years	$	7,311	$	(1,706)	$	5,605
Trade secrets and processes	20.0 years	5,256		(788)		4,468
Other	5.0 years	1,885		(1,319)		566
Total intangible assets	16.6 years	$	14,452	$	(3,813)	$	10,639

The customer relationships and other intangible assets subject to amortization relate to the acquisition of Crossmed during the third quarter of 2017. The gross carrying amount and accumulated amortization of these intangible assets are subject to foreign currency translation effects. The Company’s $5.3 million trade secrets and processes intangible asset was recognized in connection with a royalty buyout agreement entered into during the first quarter of 2018.

The following table presents the amortization expense recorded related to the Company’s finite-lived intangible assets for the three months ended March 31, 2021 and March 31, 2020 (in thousands):


	Three Months Ended March 31,
	2021		2020
Cost of revenue	$	66	$	66

Sales, general and administrative	212		194
Total	$	278	$	260