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Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Intangible assets:    
Gross Carrying Amount $ 2,269 $ 2,153
Accumulated Amortization (103) (81)
Amortization expense 22 15
Fair value of identified patents 0  
Impairment loss $ 748  
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration] Research and Development Expense  
Minimum    
Intangible assets:    
Useful lives of intangible assets 3 years  
Maximum    
Intangible assets:    
Useful lives of intangible assets 20 years  
Licenses    
Intangible assets:    
Gross Carrying Amount $ 149 149
Accumulated Amortization (78) (69)
Patents    
Intangible assets:    
Gross Carrying Amount 261 135
Accumulated Amortization (25) (12)
Patents pending    
Intangible assets:    
Gross Carrying Amount 1,813 1,831
Trademarks    
Intangible assets:    
Gross Carrying Amount 13 13
Trademarks pending    
Intangible assets:    
Gross Carrying Amount $ 33 $ 25