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Fair Value of Financial Instruments - Additional Information (Details)
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liability $ 1,110,000 $ 1,820,000
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets measured at fair value on recurring basis $ 0 0
Level 3 | Measurement Input, Clinical Development Success | Valuation, Market Approach    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liability, measurement input 0  
Level 3 | Other than Derivative Liabilities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities measured at fair value on recurring basis $ 0 0
Collateral Agent, Pharmakon    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liability $ 1,100,000 $ 1,800,000