Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

6. Goodwill and Intangible Assets

There have been no changes in the carrying amount of goodwill since its recognition in 2015.

Intangible assets subject to amortization as of the dates presented consisted of the following (in thousands):

	June 30, 2019
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(unaudited)
Acquired developed technology	$	20,000	$	(7,462	)	$	12,538
Purchased intellectual property		325		(79	)		246
Balance at June 30, 2019	$	20,325	$	(7,541	)	$	12,784

	December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Acquired developed technology	$	20,000	$	(6,636	)	$	13,364
Purchased intellectual property		325		(63	)		262
Balance at December 31, 2018	$	20,325	$	(6,699	)	$	13,626

The developed technology was acquired in connection with our acquisition of Sequenta, Inc. (“Sequenta”) in 2015. The remaining balance of the acquired technology and the purchased intellectual property is expected to be amortized over the next approximately 7.5 years.

As of June 30, 2019, expected future amortization expense for intangible assets was as follows (in thousands) (unaudited):

2019	$	856
2020		1,698
2021		1,698
2022		1,698
2023		1,698
Thereafter		5,136
Total future amortization expense	$	12,784