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Goodwill and Other Intangible Assets
6 Months Ended
Jun. 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 six months ended June 30, 2024.
Intangible assets other than goodwill at June 30, 2024 and December 31, 2023 were as follows:
June 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 agreement827 (653)174 835 (603)232 
2.0 - 5.0
1.1
Software technology13,229 (8,439)4,790 13,229 (7,752)5,477 10.03.5
Software platform26,026 (7,563)18,463 26,373 (6,575)19,798 12.08.6
Tradenames349 (349)— 354 (347)3.00.0
Customer relationships12,195 (12,195)— 12,223 (12,183)40 
3.0 - 9.0
0.0
Total intangible assets$53,556 $(30,129)$23,427 $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 $1.7 million and $1.3 million as of June 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 June 30, 2024 and 2023, respectively, and $1.9 million and $3.1 million for each of the six months ended June 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$1,815
20253,630
20263,529
20273,520
20282,151
Thereafter8,782
Total estimated amortization expense$23,427