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Patents and Licenses (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Patents and Licenses    
Weighted Average Original Life (years) 15 years 8 months 1 day 15 years 8 months 1 day
Gross Carrying Amount $ 13,840 $ 13,840
Accumulated Amortization $ 12,797 $ 12,768