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Summary of Significant Accounting Policies - Revenue, Patent Costs, and Interest and Other Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Revenue    
Development Agreement, initial term 2 years  
Development Agreement, renewal period 1 year  
Development Agreement, period for notification of cancellation 6 months  
Interest and other income, net    
Interest and other income, net    
Interest income generated from cash and cash equivalents balances $ 0.3  
Patents    
Patent Costs    
Legal and other fees $ 1.7 $ 1.4