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Goodwill and Acquisition-related Intangible Assets, Net
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Acquisition-related Intangible Assets, Net Goodwill and Acquisition-related Intangible Assets, Net
Goodwill
Goodwill as of December 31, 2023 and 2022 was $29.6 million. There were no accumulated impairment losses as of December 31, 2023.
Acquisition-related Intangible Assets, Net
Acquisition-related intangible assets, net consisted of the following (in thousands):
December 31, 2023
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Remaining Useful Life (in years)
Developed technology$7,900 $2,036 $5,864 3.75
Customer relationships1,000 1,000 — —
Total acquisition-related intangible assets$8,900 $3,036 $5,864 3.75
December 31, 2022
Gross Carrying AmountAccumulated AmortizationNet Carrying AmountWeighted Average Remaining Useful Life (in years)
Developed technology$7,900 $456 $7,444 4.75
Customer relationships1,000 145 855 1.75
Total acquisition-related intangible assets$8,900 $601 $8,299 4.44
Amortization expense related to acquisition-related intangibles was $2.4 million and $0.6 million for the years ended December 31, 2023 and 2022.
As of December 31, 2023, estimated future amortization expense for acquisition-related intangible assets was as follows (in thousands):
2024$1,580 
20251,580 
20261,580 
20271,124 
Total estimated future amortization expense for acquisition-related intangible assets$5,864