Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill and Intangible Assets Activities

The following table presents goodwill and intangible assets activity during the years ended December 31, 2022 and 2021 (in thousands):

	Goodwill		Intangible Assets
Balance, December 31, 2020	$	12,026	$	5,653
Amortization expense	—		(640)
Balance, December 31, 2021	12,026		5,013
Amortization Expense	—		(420)
Impairment	(12,026)		—
Intangible assets disposed in sale (1)	—		(3,010)
Balance, December 31, 2022	$	—	$	1,583
____________________
(1) Intangible assets were reduced by $3.0 million related to the sale of business to Medtronic. See Note 4 - Sale of Business.

Summary of Finite Lived Intangible Assets

The tables below present the details of intangible assets as of December 31, 2022 and 2021 (dollars in thousands):

December 31, 2022	Estimated Useful Life (in years)	Weighted Average Remaining Life (in years)	Intangible Assets		Accumulated Amortization		Balance
Licensed intangibles	10.0	7.9	$	2,000	$	(417)	$	1,583
Total intangible assets			$	2,000	$	(417)	$	1,583

December 31, 2021	Estimated Useful Life (in years)	Weighted Average Remaining Life (in years)	Intangible Assets		Accumulated Amortization		Balance
Developed technology	10	7.6	$	4,200	$	(1,020)	$	3,180
Customer-related intangible	5	2.5	100		(50)		50
Licensed intangibles	10	8.9	2,000		(217)		1,783
Total intangible assets			$	6,300	$	(1,287)	$	5,013

Summary of Remaining Amortization Expense

The following table presents the future amortization expense associated with amortizable intangible assets as of December 31, 2022 (in thousands):

Year ending December 31, 2023	$	200
Year ending December 31, 2024	200
Year ending December 31, 2025	200
Year ending December 31, 2026	200
Year ending December 31, 2027	200
Thereafter	583
Total future amortization	$	1,583