Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2019

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 December 31, 2018	$	600		$	8,300		$	15,039		$	23,939
Accumulated amortization		(77	)		(3,978	)		(8,904	)		(12,959	)
Intangible assets, net at December 31, 2018	$	523		$	4,322		$	6,135		$	10,980
Gross carrying amount at September 30, 2019	$	758		$	9,099		$	15,752		$	25,609
Accumulated amortization		(191	)		(4,650	)		(10,046	)		(14,887	)
Intangible assets, net at September 30, 2019	$	567		$	4,449		$	5,706		$	10,722

Amortization Expense Included in Condensed Consolidated Statements of Operations

The following table illustrates the amortization expense included in the condensed consolidated statements of operations for the three and nine months ended September 30, 2019 and 2018, respectively (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Cost of revenue	$	224	$	186	$	672	$	522
Selling and marketing		418		345		1,253		988
Total	$	642	$	531	$	1,925	$	1,510

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 September 30, 2019 was as follows (in thousands):

2019 (remaining three months)	$	641
2020		2,568
2021		1,113
2022		1,113
2023		1,036
Thereafter		4,251
Total	$	10,722

3VR, Thursby and Viscount

Summary of Carrying Amount of Goodwill Resulting from Acquisition of 3VR, Thursby, and Viscount

The following table summarizes the carrying amount of goodwill resulting from the acquisitions of 3VR, Thursby, and Viscount (in thousands):

	Premises			Identity		Total
Balance at December 31, 2018	$	5,796		$	3,490	$	9,286
Acquisition of business		1,173			—		1,173
Cancellation of holdback shares in connection with acquisition		(340	)		—	$	(340	)
Currency translation adjustment		9			—		9
Balance at September 30, 2019	$	6,638		$	3,490	$	10,128