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Summary of Significant Accounting Policies - Asset acquisition (Details) - In-process research and development acquisition - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Sep. 10, 2021
Nov. 30, 2022
Mar. 31, 2023
Asset Acquisition [Line Items]      
Asset acquisition, consideration transferred $ 35.6    
Issuance of common stock 276,346    
Fair value of common stock issued $ 30.9 $ 10.0  
Cash consideration 3.9    
Net liabilities assumed 0.2    
Acquisition related costs 0.6    
Value of additional shares potentially issuable $ 35.0    
Number of additional shares potentially issuable 269,547    
Forecast      
Asset Acquisition [Line Items]      
Fair value of common stock issued     $ 15.0