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Acquisitions (Additional Information) (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 14, 2022
May 31, 2022
Jun. 30, 2023
Dec. 31, 2022
Business Acquisition [Line Items]        
Payment to acquire license     $ 0  
Accrued Royalty Payables     27  
Common Stock, Value, Issued     $ 15 $ 14
Common Stock, Shares, Issued     148,699,982 141,348,856
Patents [Member] | Sorrento [Member]        
Business Acquisition [Line Items]        
Payment upon the achievement of net sales   $ 20,000    
Amount due for New Drug Application   $ 3,000    
License Agreement        
Business Acquisition [Line Items]        
Development milestones payment was recognized under other long-term liabilities     $ 200 $ 200
License Agreement | Romeg License Agreement [Member]        
Business Acquisition [Line Items]        
Up-front license fee $ 2,000      
Payment upon the achievement of net sales 13,000      
Payments for royalties 7,100      
Intangible asset 5,700      
Deferred consideration $ 3,700      
Contingent consideration, liability     $ 0 $ 0