Intangible Assets and Goodwill

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets and Goodwill

Intangible Assets and Goodwill

Intangible assets

Intangible assets, net consist of the following (in thousands):

	Weighted Average Amortization Period	December 31, 2019
		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)
Acquired content and customer relationships(1)	4.8 years	$	2,284	$	(1,673)	$	611
Domain names	1.7 years	204		(97)		107
Patents	18.9 years	337		(18)		319
Trade names and other indefinite-lived intangibles(1)	Indefinite	455		—		455
In-process patents and trademarks	Not applicable	1,001		—		1,001
Total intangible assets		$	4,281	$	(1,788)	$	2,493

	Weighted Average Amortization Period	December 31, 2020
		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)
Acquired content and customer relationships(1)	3.7 years	$	2,268	$	(1,859)	$	409
Domain names	1.3 years	245		(156)		89
Patents	19.1 years	1,235		(46)		1,189
Trade names and other indefinite-lived intangibles(1)	Indefinite	425		—		425
In-process patents and trademarks	Not applicable	873		—		873
Total intangible assets		$	5,046	$	(2,061)	$	2,985

	Weighted Average Amortization Period	September 30, 2021
		(unaudited)
		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)
Acquired content and customer relationships(1)	4.7 years	$	7,145	$	(2,512)	$	4,633
Domain names	2.1 years	258		(204)		54
Patents	18.7 years	1,687		(98)		1,589
Trade names and other indefinite-lived intangibles(1)	Indefinite	716		—		716
In-process patents and trademarks	Not applicable	1,176		—		1,176
Total intangible assets		$	10,982	$	(2,814)	$	8,168

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(1) - Gross carrying amount includes impact of translation of foreign denominated intangible assets

Intangible asset amortization for the years ended December 31, 2019 and 2020 and for the nine months ended September 30, 2020 and 2021 was $0.2 million, $0.3 million, $0.2 million and $0.8 million, respectively. These expenses are primarily presented in operating expenses with a portion allocated to cost of revenue within the accompanying consolidated statements of operations.

Estimated future amortization expense is as follows (in thousands):

	December 31, 2020		September 30, 2021
			(unaudited)
2021	$	262	$	296
2022	186		1,160
2023	129		1,104
2024	97		1,071
2025	97		735
Thereafter	916		1,910
Total	$	1,687	$	6,276

Goodwill

Goodwill represents the excess of the purchase price in a business combination over the fair value of net assets acquired. Goodwill amounts are not amortized, but rather tested for impairment at least annually.

The changes in carrying amounts of goodwill were as follows (in thousands):

Balance at December 31, 2018	$	3,817
Acquisitions	4,852
Other adjustments(1)	204
Balance at December 31, 2019	$	8,873
Other adjustments(1)	(268)
Balance at December 31, 2020	$	8,605
Acquisitions	34,243
Other adjustments(1)	(241)
Balance at September 30, 2021 (unaudited)	$	42,607

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(1)Other adjustments represents the impact of translation of our foreign currency denominated goodwill balances.