Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Company's Identifiable Intangible Assets

A summary of the Company’s identifiable intangible assets as of June 30, 2022 and December 31, 2021 is as follows (in thousands, except for years):

			June 30, 2022						December 31, 2021
June 30, 2022	Weighted Average Amortization Period (Years)		Gross Carrying Amount		Accumulated Amortization		Intangibles, Net		Gross Carrying Amount		Accumulated Amortization		Intangibles, Net
Customer relationships		2	$	1,585	$	1,466	$	119	$	1,585	$	1,453	$	132
Acquired technology		19		3,410		1,500		1,910		3,410		1,412		1,998
Acquired in-process research and development		—		127,650		—		127,650		218,430		—		218,430
Technology placed in service		15		21,940		5,485		16,455		21,940		4,754		17,186
Patent rights		15		32,720		12,373		20,347		32,720		11,283		21,437
Assembled workforce		5		605		404		201		605		343		262
Internally developed software		2		520		347		173		520		260		260
Acquired licenses		15		5,711		—		5,711		—		—		—
Total intangible assets			$	194,141	$	21,575	$	172,566	$	279,210	$	19,505	$	259,705

Schedule of Estimated Future Amortization Expense Related to Intangible Assets

Aggregate amortization expense was $1.0 million and $1.1 million for the three months ended June 30, 2022 and 2021, respectively. Aggregate amortization expense was $2.1 million for each of the six months ended June 30, 2022 and 2021. Estimated future amortization expense related to intangible assets, excluding indefinite-lived intangible assets, at June 30, 2022 is as follows (in thousands):

Years Ending December 31,	Amount
2022 (Remaining six months)	$	2,253
2023		4,416
2024		4,239
2025		4,214
2026		4,214
Thereafter		25,580
Total expected future amortization	$	44,916