Intangible Assets

3 Months Ended

Mar. 31, 2024

Intangible Assets

Intangible Assets

5. Intangible Assets

Intangible assets as of March 31, 2024 and December 31, 2023 consisted of the following:

	Estimated useful lives (years)			March 31, 2024			December 31, 2023
Tradename	5	to	7	$	555		$	555
Patents and technological know-how	10	to	20		7,224			7,187
Proprietary software	3	to	15		2,981			2,981
Other	3	to	5		323			324
Total intangible assets					11,083			11,047
Accumulated amortization					(9,468	)		(9,358	)
Total intangible assets, net				$	1,615		$	1,689

The amortization of intangible assets for the three months ended March 31, 2024 and 2023 was as follows: 

	Three months ended March 31,
	2024		2023
Amortization of intangible assets	$	110	$	118

The estimated future amortization expense of intangible assets is as follows:

Years ending December 31,	Amount
2024 (Remainder)	$	147
2025		196
2026		195
2027		65
2028		21
Thereafter		991
Total	$	1,615