Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Future Amortization of Patents and License Agreements (Details)

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Intangible Assets, Net - Future Amortization of Patents and License Agreements (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Intangible assets    
Net Carrying Amount $ 2,806 $ 2,484
Patents And License Agreements    
Intangible assets    
2022 189  
2023 218  
2024 149  
2025 149  
2026 148  
Thereafter 1,953  
Net Carrying Amount $ 2,806