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INTANGIBLES ASSETS
 12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLES ASSETS
NOTE 7 - INTANGIBLES ASSETS

At December 31, 2025 and 2024, the Company's intangible assets with finite lives were as follows:
20252024
(in thousands)
Gross
Accumulated Amortization
Net
Gross
Accumulated AmortizationNet
Intangible assets with finite lives:
Customer relationships$53,119 $(53,099)$20 $47,051 $(47,023)$28 
Acquired technology14,203 (7,024)7,179 13,768 (6,149)7,619 
Trade names10,413 (8,616)1,797 11,973 (9,998)1,975 
Patent costs14,716 (7,550)7,166 14,915 (6,950)7,965 
Acquired patents11,458 (11,395)63 14,596 (14,485)111 
Other6,758 (6,369)389 7,666 (7,344)322 
Total intangible assets with finite lives
$110,667 $(94,053)$16,614 $109,969 $(91,949)$18,020 

Amortization expense related to our intangible assets with finite lives was $2.3 million, $12.7 million and $12.1 million for the years ended December 31, 2025, 2024 and 2023, respectively. Amortization expense is estimated to be $1.9 million in 2026, $1.9 million in 2027, $1.8 million in 2028, $1.7 million in 2029, and $1.6 million in 2030.

Impairment of Intangible Assets During the Year Ended December 31, 2024

During the year ended December 31, 2024, the Company concluded that the carrying value of the primary asset group underlying the Company's core operations was impaired, resulting in an impairment charge to intangible assets of $31.2 million. Also during the year ended December 31, 2024, the Company concluded that the carrying value of the software asset group was fully impaired, resulting in an additional $1.2 million impairment charge to intangible assets. Both intangible asset impairment charges are recorded within Asset impairment charges on our consolidated statements of operations.

Impairment of Intangible Assets During the Year Ended December 31, 2023

Indefinite-Life Intangible Assets (Excluding Goodwill)

During the year ended December 31, 2023, the Company decided to cease the development of IPR&D related to the 2022 acquisition of dp polar. The Company recorded a charge of $5.6 million within Asset impairment charges on our consolidated statement of operations for the year ended December 31, 2023 to write off the carrying value of this asset.

Impairment of Intangible Assets with Finite Lives

dp polar

As dp polar was not capable of generating revenue or positive cash flows without the continued development of its IPR&D, the Company concluded that dp polar's long-lived assets, including the remaining carrying value of the trade name intangible asset recorded when dp polar was acquired, were fully impaired. Accordingly, the Company recorded a charge of $3.8 million within Asset impairment charges on our consolidated statement of operations for the year ended December 31, 2023 to write off dp polar's trade name.

Oqton MOS

During the year ended December 31, 2023, the Company concluded that it was more likely than not that it would sell or otherwise dispose of a portion of its software business unit, Oqton MOS, that it had previously acquired. Based on revised long-term cash flows, this asset group was tested for impairment. The Company recognized a $13.6 million impairment charge during the year ended December 31, 2023, which reduced the carrying values of the asset group's acquired technology and trade name intangible assets to $0.