Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2022

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 September 30, 2022 and December 31, 2021 consisted of the following (in thousands):

	September 30, 2022
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Acquired developed technology	$	20,000	$	(12,884	)	$	7,116
Purchased intellectual property		325		(185	)		140
Balance at September 30, 2022	$	20,325	$	(13,069	)	$	7,256

	December 31, 2021
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Acquired developed technology	$	20,000	$	(11,638	)	$	8,362
Purchased intellectual property		325		(161	)		164
Balance at December 31, 2021	$	20,325	$	(11,799	)	$	8,526

The developed technology was acquired in connection with our acquisition of Sequenta, Inc. in 2015. The remaining balance of the acquired developed technology and the purchased intellectual property is expected to be amortized over the next 4.3 years.

As of September 30, 2022, expected future amortization expense for intangible assets was as follows (in thousands):

2022 (excluding the nine months ended September 30, 2022)	$	429
2023		1,699
2024		1,703
2025		1,699
2026		1,699
Thereafter		27
Total future amortization expense	$	7,256