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Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

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, 2021 and 2020 consisted of the following (in thousands):

	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

	December 31, 2020
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Acquired developed technology	$	20,000	$	(9,972	)	$	10,028
Purchased intellectual property		325		(128	)		197
Balance at December 31, 2020	$	20,325	$	(10,100	)	$	10,225

The developed technology was acquired in connection with our acquisition of Sequenta in 2015. The remaining balance of the acquired technology and the purchased intellectual property is expected to be amortized over the next 5.0 years.

As of December 31, 2021, expected future amortization expense for intangible assets was as follows (in thousands):

2022	$	1,699
2023		1,699
2024		1,703
2025		1,699
2026		1,699
Thereafter		27
Total future amortization expense	$	8,526