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Intangible Assets

9 Months Ended

Sep. 30, 2023

Intangible Assets

Intangible Assets

5. Intangible Assets

Intangible assets as of September 30, 2023 and December 31, 2022 consisted of the following:

		Estimated useful lives (years)					September 30, 2023				December 31, 2022
Tradename		5	to	7			$	555			$	555
Patents and technological know-how		10	to	20				7,164				7,053
Proprietary software		3	to	15				2,981				2,981
Other		3	to	5				323				323
Total intangible assets								11,023				10,912
Accumulated amortization								(9,229	)			(8,841	)
Total intangible assets, net							$	1,794			$	2,071

The amortization of intangible assets for the three and nine months ended September 30, 2023 and 2022 was as follows:

		Three months ended September 30,								Nine months ended September 30,
		2023				2022				2023				2022
Amortization of intangible assets		$	141			$	686			$	388			$	2,038

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

Years ending December 31,		Amount
2023 (Remainder)		$	129
2024			255
2025			194
2026			193
2027			63
Thereafter			960
Total		$	1,794