Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The following table indicates the changes in the carrying amount of goodwill for 2022 and 2021 (in thousands):

	Previous Reporting Unit		Wound & Surgical		Regenerative Medicine		Total Company
Balance as of January 1, 2021	$	19,976	$	—	$	—	$	19,976
Activity	—		—		—		—
Balance as of December 31, 2021	$	19,976	$	—	$	—	$	19,976
Reallocation	(19,976)		19,441		535		—
Balance as of December 31, 2022	$	—	$	19,441	$	535	$	19,976

Schedule of Intangible Assets Activity Summary

Intangible assets, net, are summarized as follows (in thousands):

	December 31, 2022						December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortized intangible assets
Patents and know-how	$	9,923	$	(7,106)	$	2,817	$	9,578	$	(6,408)	$	3,170
Licenses	1,000		(4)		996		—		—		—
Total amortized intangible assets	$	10,923	$	(7,110)	$	3,813	$	9,578	$	(6,408)	$	3,170
Unamortized intangible assets
Tradenames and trademarks	$	1,008			$	1,008	$	1,008			$	1,008
Patents in process	1,031				1,031		1,205				1,205
Total intangible assets	$	12,962			$	5,852	$	11,791			$	5,383

Schedule of Amortization and Impairment Expense

Intangible assets, net, are summarized as follows (in thousands):

	December 31, 2022						December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortized intangible assets
Patents and know-how	$	9,923	$	(7,106)	$	2,817	$	9,578	$	(6,408)	$	3,170
Licenses	1,000		(4)		996		—		—		—
Total amortized intangible assets	$	10,923	$	(7,110)	$	3,813	$	9,578	$	(6,408)	$	3,170
Unamortized intangible assets
Tradenames and trademarks	$	1,008			$	1,008	$	1,008			$	1,008
Patents in process	1,031				1,031		1,205				1,205
Total intangible assets	$	12,962			$	5,852	$	11,791			$	5,383

Amortization expense and impairment expense for the years ended December 31, 2022, 2021, and 2020, is summarized in the table below (amounts in thousands):

	Year ended December 31,
	2022		2021		2020
Amortization of intangible assets	$	701	$	820	$	1,073
Impairment of intangible assets	—		53		1,027

Schedule of Estimated Future Amortization Expense of Intangible Assets

Expected future amortization of intangible assets as of December 31, 2022, is as follows (in thousands):

	Estimated
	Amortization
Year Ending December 31,	Expense
2023	$	756
2024	756
2025	361
2026	207
2027	206
Thereafter	1,527
Total amortization expense	$	3,813