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Goodwill and Other Intangible Assets
9 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets
There were no changes in the carrying amount of goodwill during the three and nine months ended September 30, 2024.
Intangible assets other than goodwill at September 30, 2024 and December 31, 2023 were as follows:
September 30, 2024December 31, 2023Useful
Life (in years)
Weighted Average
Useful Life Remaining
(in years)
(in thousands)GrossAccumulated
Amortization
NetGrossAccumulated
Amortization
Net
Intangible assets with finite lives:
Marketing assets$930 $(930)$— $930 $(900)$30 10.00.0
Non-compete agreement837 (688)149 835 (603)232 
2.0 - 5.0
0.9
Software technology13,229 (8,781)4,448 13,229 (7,752)5,477 10.03.3
Software platform26,481 (8,188)18,293 26,373 (6,575)19,798 12.08.3
Tradenames356 (356)— 354 (347)3.00.0
Customer relationships12,232 (12,232)— 12,223 (12,183)40 
3.0 - 9.0
0.0
Total intangible assets$54,065 $(31,175)$22,890 $53,944 $(28,360)$25,584 
Intangible assets allocated to the Protolabs Network entities consisted of intangible assets of €11.6 million in Europe and $16.6 million in the United States as of the date of the acquisition. The Euro denominated intangible assets are translated at the end of each period using the current exchange rates resulting in a foreign currency translation adjustment that is recorded as a component of Other Comprehensive Income. Foreign currency unrealized losses related to intangible assets were $1.2 million and $1.3 million as of September 30, 2024 and December 31, 2023, respectively. Amortization expense for intangible assets was $0.9 million and $1.5 million for each of the three months ended September 30, 2024 and 2023, respectively, and $2.8 million and $4.5 million for each of the nine months ended September 30, 2024 and 2023, respectively.
Estimated aggregated amortization expense based on the current carrying value of the amortizable intangible assets and current exchange rates is as follows:
(in thousands)Estimated Amortization Expense
Remaining 2024$919
20253,676
20263,574
20273,564
20282,195
Thereafter8,962
Total estimated amortization expense$22,890