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Goodwill and Intangible Assets, Net (Tables)
 6 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Components of Intangible Assets, Net
The components of intangible assets, net were as follows:
 June 30, 2024December 31, 2023
(In thousands)
Gross (1)
Accumulated
Amortization (1)
Net
Gross (1)
Accumulated
Amortization (1)
Net
Capitalized software development costs$2,426 $(701)$1,725 $2,161 $(421)$1,740 
Customer relationships 6,340 (4,165)2,175 6,340 (3,803)2,537 
Developed and core technology 740 (350)390 4,220 (3,754)466 
Patents34,540 (13,697)20,843 33,195 (12,686)20,509 
Trademarks and trade names450 (383)67 450 (353)97 
Total intangible assets, net$44,496 $(19,296)$25,200 $46,366 $(21,017)$25,349 

(1)This table excludes the gross value of fully amortized intangible assets totaling $48.8 million and $45.0 million at June 30, 2024 and December 31, 2023, respectively.
Finite-lived Intangible Assets Amortization Expense Amortization expense by statement of operations caption was as follows:
(In thousands)Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Cost of sales$140 $148 $281 $156 
Selling, general and administrative expenses1,080 1,107 2,176 2,163 
Total amortization expense$1,220 $1,255 $2,457 $2,319 
Estimated Future Amortization Expense Related to Intangible Assets
Estimated future annual amortization expense related to our intangible assets at June 30, 2024, was as follows:
(In thousands)
2024 (remaining 6 months)$2,696 
20254,884 
20264,264 
20273,337 
20282,708 
Thereafter7,311 
Total$25,200