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Intangible Assets, net

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets, net, consisted of the following (in thousands):


	As of December 31, 2023
	Remaining Weighted average useful life (in years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	3.8	$	12,088	$	5,314	$	6,774
Developed technology	2.2	14,281		7,412		6,869
Trade names	1.0	358		339		19
Assembled workforce	1.8	$	125	$	52	73
Total intangible assets		$	26,852	$	13,117	$	13,735


	As of December 31, 2022
	Remaining Weighted average useful life (in years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	4.8	$	17,841	$	9,300	$	8,541
Developed technology	3.2	16,813		6,689		10,124
Trade names	1.3	503		383		120
Assembled workforce	2.8	125		10		115
Total intangible assets		$	35,282	$	16,382	$	18,900

As discussed in Note 5, we acquired Revv in October 2022, UA Services in August 2022 and Earth Class Mail in November 2021. In 2023, 2022 and 2021, we recorded amortization expense of $5.2 million, $3.5 million and $1.0 million, respectively.

At December 31, 2023, estimated future intangible assets amortization expense was as follows (in thousands):


For Years Ending December 31,
2024	$	5,082
2025	4,510
2026	2,670
2027	1,473

Total future amortization expense	$	13,735