Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net and Goodwill

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Intangible Assets, Net and Goodwill
 6 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]
NOTE 3 — INTANGIBLE ASSETS, NET AND GOODWILL
INTANGIBLE ASSETS, NET

Intangible assets, net consisted of the following:

(in thousands)
 June 30, 2024 December 31, 2023 June 30, 2023
Intangible assets with definite lives:
Patents and purchased technology $ 14,198  $ 14,198  $ 14,198 
Customer relationships 23,000  23,000  23,000 
Gross carrying amount 37,198  37,198  37,198 
Accumulated amortization:
Patents and purchased technology (14,198) (14,198) (14,198)
Customer relationships (23,000) (22,313) (21,488)
Accumulated amortization (37,198) (36,511) (35,686)
Net carrying amount —  687  1,512 
Intangible assets with indefinite lives 79,221  79,221  79,221 
Intangible assets, net $ 79,221  $ 79,908  $ 80,733 
Amortization expense for intangible assets subject to amortization was $0.3 million and $0.4 million for the three months ended June 30, 2024 and 2023, respectively, and was $0.7 million and $0.8 million for the six months ended June 30, 2024 and 2023, respectively.
GOODWILL
There have been no changes to the Company's goodwill as described in Note 6 in Part II, Item 8 of the Company's Annual Report on Form 10-K for the year ended December 31, 2023.