Intangible Assets

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

INTANGIBLE ASSETS

Intangible assets consist of the following:

	As of December 31, 2023
	Carrying Value		Accumulated  Amortization		Net Intangible
Amortizable intangible assets:
Product technology	$	24,127	$	15,742	$	8,385
Patents and trademarks	19,687		11,509		8,178
Customer relationships	25,164		7,279		17,885
Other	22,062		8,619		13,443
Total	$	91,040	$	43,149	$	47,891

	As of December 31, 2022
	Carrying Value		Accumulated  Amortization		Net Intangible
Amortizable intangible assets:
Product technology	$	22,903	$	12,704	$	10,199
Patents and trademarks	16,733		9,028		7,705
Customer relationships	24,283		5,503		18,780
Other	19,110		6,816		12,294
Total	$	83,029	$	34,051	$	48,978

Amortization expense was $7.7 million, $5.7 million and $4.2 million in 2023, 2022 and 2021, respectively. In 2023, we had $1.4 million related to the impairment of Sphere that is included in restructuring costs. The estimated amortization expense for each of the years 2024 through 2028 and thereafter is as follows:

Years ending December 31,	Amount
2024	$	8,520
2025	8,107
2026	6,439
2027	5,090
2028	1,696
Thereafter	18,039
Total	$	47,891