Intangible Assets, Net

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets, Net

Intangible Assets, Net

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

	March 31, 2024						December 31, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Amortized intangible assets
Patents and know-how	$	9,968	$	(7,949)	$	2,019	$	10,039	$	(7,818)	$	2,221
Licenses	1,000		(67)		933		1,000		(54)		$	946
Distribution rights	7,602		—		7,602		—		—		—
Total amortized intangible assets	$	18,570	$	(8,016)	$	10,554	$	11,039	$	(7,872)	$	3,167
Unamortized intangible assets:
Tradenames and trademarks	$	1,008			$	1,008	$	1,008			$	1,008
Patents in Process	988				988		1,082				1,082
Total intangible assets	$	20,566			$	12,550	$	13,129			$	5,257

The Company recognized $0.1 million of impairment of intangible assets during the three months ended March 31, 2024 related to patents which were abandoned.

Expected future amortization of intangible assets as of March 31, 2024, is as follows (in thousands):

Year ending December 31,	Estimated Amortization Expense
2024 (excluding the three months ended March 31, 2024)	$	1,708
2025	1,883
2026	1,729
2027	1,728
2028	1,726
Thereafter	1,780
Total amortized intangible assets	$	10,554