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Selected Balance Sheet Components -Schedule of finite-lived intangible assets, future amortization expense (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]    
Total $ 7,031 $ 7,500
Licensing Agreements    
Finite-Lived Intangible Assets [Line Items]    
Remainder of 2023 156  
2024 625  
2025 625  
2026 625  
2027 625  
Thereafter 4,375  
Total $ 7,031 $ 7,500