Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

7. 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 December 31, 2019 and 2018 consisted of the following (in thousands):

	December 31, 2019
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Acquired developed technology	$	20,000	$	(8,301	)	$	11,699
Purchased intellectual property		325		(96	)		229
Balance at December 31, 2019	$	20,325	$	(8,397	)	$	11,928

	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 7.0 years.

As of December 31, 2019, expected future amortization expense for intangible assets was as follows (in thousands):

2020	$	1,703
2021		1,699
2022		1,699
2023		1,699
2024		1,703
Thereafter		3,425
Total future amortization expense	$	11,928