Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Activity in Goodwill

The following table summarizes the activity in goodwill (in thousands):

	Identity		Premises		Total
Balance at December 31, 2020	$	3,554	$	6,712	$	10,266
Currency translation adjustment		—		15		15
Balance at March 31, 2021	$	3,554	$	6,727	$	10,281

Summary of Gross Carrying Amount and Accumulated Amortization for Intangible Assets Resulting from Acquisitions

The following table summarizes the gross carrying amount and accumulated amortization for intangible assets resulting from acquisitions (in thousands):

				Developed			Customer
	Trademarks			Technology			Relationships			Total
Amortization period (in years)	5			10 – 12			4 – 12
Gross carrying amount at March 31, 2021	$	767		$	9,132		$	15,775		$	25,674
Accumulated amortization		(419	)		(5,878	)		(12,078	)		(18,375	)
Intangible assets, net at March 31, 2021	$	348		$	3,254		$	3,697		$	7,299
Gross carrying amount at December 31, 2020	$	765		$	9,123		$	15,771		$	25,659
Accumulated amortization		(382	)		(5,773	)		(11,941	)		(18,096	)
Intangible assets, net at December 31, 2020	$	383		$	3,350		$	3,830		$	7,563

Amortization Expense Included in Condensed Consolidated Statements of Operations

The following table summarizes the amortization expense included in the condensed consolidated statements of comprehensive loss for the three months ended March 31, 2021 and 2020, respectively (in thousands):

	Three Months Ended March 31,
	2021		2020
Cost of revenue	$	119	$	224
Selling and marketing		160		418
Total	$	279	$	642

Estimated Future Amortization Expense of Purchased Intangible Assets with Definite Lives

The estimated annual future amortization expense for purchased intangible assets with definite lives as of March 31, 2021 was as follows (in thousands):

2021 (remaining nine months)	$	842
2022		1,122
2023		1,045
2024		969
2025		969
Thereafter		2,352
Total	$	7,299