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Fair Value Measurements and Financial Instruments - Financial Assets and Liabilities Measured at Fair Value (Detail) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value $ 10,582,000 $ 0
Liabilities, fair value 17,557,000 $ 0
Long-term receivable    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value 4,722,000  
Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value [1] 5,860,000  
CVR Derivative Liability    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value 4,722,000  
Warrant Liability Non Current    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value 12,835,000  
Fair Value, Inputs, Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value 5,860,000  
Fair Value, Inputs, Level 1 | Money Market Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value [1] 5,860,000  
Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value 4,722,000  
Liabilities, fair value 17,557,000  
Fair Value, Inputs, Level 3 | Long-term receivable    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value 4,722,000  
Fair Value, Inputs, Level 3 | CVR Derivative Liability    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value 4,722,000  
Fair Value, Inputs, Level 3 | Warrant Liability Non Current    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value $ 12,835,000  
[1] Included in cash and cash equivalents on accompanying consolidated balance sheet.