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Patents and Other Intangible Assets - Additional information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Intangible assets    
Amortization expense $ 38 $ 40
Minimum    
Intangible assets    
Amortization life (in years) 3 years  
Maximum    
Intangible assets    
Amortization life (in years) 5 years  
Trademarks    
Intangible assets    
Amortization life (in years) 10 years