Intangible Assets, Net

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets consist primarily of developed technology and patent licenses acquired from business or asset acquisitions. Acquired intangibles are amortized on a straight-line basis over the respective estimated useful lives of the assets.

The carrying values of intangible assets are as follows:


			December 31, 2023
(in thousands)	Weighted Average Life (Years)	Weighted Average Remaining Life (Years)	Cost		Accumulated Amortization		Net Book Value
Developed technology	4.6	1.1	$	40,141	$	(30,667)	$	9,474
Patent licenses	14.0	0.7	1,387		(1,322)		65
Assembled workforce	2.0	0.8	359		(223)		136
Total intangibles subject to amortization			$	41,887	$	(32,212)	$	9,675
Intangible assets not subject to amortization							40
Total intangible assets, net							$	9,715


			December 31, 2022
(in thousands)	Weighted Average Life (Years)	Weighted Average Remaining Life (Years)	Cost		Accumulated Amortization		Net Book Value
Developed technology	4.6	1.4	$	40,141	$	(27,860)	$	12,281
Patent licenses	14.0	1.7	1,387		(1,221)		166
Assembled workforce	2.0	1.7	359		(45)		314
Total intangibles subject to amortization			$	41,887	$	(29,126)	12,761
Intangible assets not subject to amortization							40
Total intangible assets, net							$	12,801

Intangible assets amortization expenses were $3.1 million, $5.7 million and $6.7 million for the years ended December 31, 2023, 2022 and 2021, respectively, which were recorded in the consolidated statements of operations.

As of December 31, 2023, the Company expects amortization expense in future periods to be as follows:


	(in thousands)
2024	$	2,904
2025	2,556
2026	2,477
2027	1,738

Total expected future amortization expense	$	9,675