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Related Party Transactions (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Chief Scientific Officer | Related Party - Salary    
Related Party Transaction [Line Items]    
Related party expenses $ 0.2 $ 0.2
Chief Scientific Officer | Related Party - Sales Commissions, Equity, Incentive, and Other Compensation    
Related Party Transaction [Line Items]    
Related party expenses $ 0.3 0.2
Brother-in-law of former General Counsel and Secretary | Related Party - Salary    
Related Party Transaction [Line Items]    
Related party expenses   0.1
Brother-in-law of former General Counsel and Secretary | Related Party - Sales Commissions, Equity, Incentive, and Other Compensation    
Related Party Transaction [Line Items]    
Related party expenses   0.1
Brother-in-law of former General Counsel and Secretary | Related Party - Total Compensation    
Related Party Transaction [Line Items]    
Related party expenses   $ 0.2