Intangible Assets and Goodwill (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-Lived 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

Schedule of Finite-Lived Intangible Assets

Definite-lived intangible assets are amortized on a straight-line basis over their estimated useful lives, as follows:

Acquired content	3 - 4 years
Customer relationships	4 - 6 years
Other Intangibles	3 - 10 years
Patents	20 years

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

Schedule of Estimated Future Amortization Expense

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

Schedule of Changes in Carrying Amounts of Goodwill

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.