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Fair Value Financial Instruments - Litigation Financing - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Mar. 06, 2023
Jun. 14, 2021
Dec. 12, 2020
Jun. 14, 2019
Jan. 31, 2020
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2020
Litigation Financing [Line Items]                
Litigation Settlement Loans Payable           $ 1,000,000 $ 0  
Payments of Financing Costs           160,283 0  
Debt discount amount           3,955,449 0  
Fair value of the obligation           52,100,000 45,400,000  
Asset at fair value, changes in fair value resulting from changes in assumptions           6,700,000 $ 15,700,000  
Debt Instrument, Fair Value Disclosure           6,000,000    
Derivative [Member]                
Litigation Financing [Line Items]                
Debt Instrument, Fair Value Disclosure           52,100,000    
Warrant [Member]                
Litigation Financing [Line Items]                
Debt Instrument, Fair Value Disclosure           1,100,000    
Amended and Restated International Claims Enforcement Agreement [Member]                
Litigation Financing [Line Items]                
Litigation Settlement Loans Payable         $ 2,200,000      
Litigation Settlement Loans Payable Transaction Costs         $ 200,000      
Common stock and warrants sold         3.99      
Second Amended and Restated International Claims Enforcement Agreement [Member]                
Litigation Financing [Line Items]                
Claims Payment Maximum Amount     $ 20,000,000          
Litigation Settlement Loans Payable Transaction Costs     200,000          
Third Amended And Restated International Claims Enforcement Agreement [Member]                
Litigation Financing [Line Items]                
Claims Payment Maximum Amount   $ 25,000,000            
Litigation Settlement Loans Payable Transaction Costs           $ 80,000    
Increase decrease in claims amount agreed to be financed in connection with litigation to be settled   $ 5,000,000            
Claims amount agreed to be financed in connection with litigation to be settled description   The Third Restated Agreement requires the Claimholder to request $2.5 million of the Incremental Amount (the “First $2.5 Million”). Within 15 days after exhaustion of the First $2.5 Million, the Claimholder may either (a) request the remaining $2.5 million (the “Second $2.5 Million”) of the Incremental Amount or (b) notify the Funder that the Claimholder has decided to self-fund the Second $2.5 Million.            
Waiver Agreement [Member] | Litigation Financing                
Litigation Financing [Line Items]                
Claims Payment Maximum Amount $ 5,000,000              
Nonrefundable fee $ 1,000,000              
Phase Three [Member] | Second Amended and Restated International Claims Enforcement Agreement [Member]                
Litigation Financing [Line Items]                
Claims Payment Maximum Amount     $ 10,000,000          
Pending Litigation [Member] | Phase One [Member] | Proceeds One [Member]                
Litigation Financing [Line Items]                
Description of conditions for distribution of proceeds to the claimholder and funder       first, 100.0% to the Funder, until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phase I;        
Pending Litigation [Member] | Phase One [Member] | Proceeds Two [Member]                
Litigation Financing [Line Items]                
Description of conditions for distribution of proceeds to the claimholder and funder       second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an IRR of 20% of Claims Payments paid by the Funder under Phase I (“Phase I Compensation”), per annum; and        
Pending Litigation [Member] | Phase One [Member] | Proceeds Three [Member]                
Litigation Financing [Line Items]                
Description of conditions for distribution of proceeds to the claimholder and funder       thereafter, 100.0% to the Claimholder.        
Pending Litigation [Member] | Phase Two [Member] | Proceeds One [Member]                
Litigation Financing [Line Items]                
Description of conditions for distribution of proceeds to the claimholder and funder           first, 100.0% to the Funder until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phases I and II;    
Pending Litigation [Member] | Phase Two [Member] | Proceeds Two [Member]                
Litigation Financing [Line Items]                
Description of conditions for distribution of proceeds to the claimholder and funder           second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an additional 300.0% of Phase I Investment Amount; plus an additional 300% of the Tranche A Committed Amount (i.e. 300.0% of $3.5 million), less any amounts remaining of the Tranche A Committed Amount that the Funder did not pay as Claims Payments; plus an additional 300.0% of the Tranche B Committed Amount (i.e. 300.0% of $1.5 million), if the Claimholder exercises the Tranche B funding option, less any amounts remaining of the Tranche B Committed Amount that the Funder did not pay as Claims Payments;    
Pending Litigation [Member] | Phase Two [Member] | Proceeds Three [Member]                
Litigation Financing [Line Items]                
Description of conditions for distribution of proceeds to the claimholder and funder           third, for each $10,000 in specified fees and expenses paid by the Funder under Phase I and Phase II and any amounts over each $10,000 of the Tranche A Committed Amount and the Tranche B Committed Amount (if the Claimholder exercises the Tranche B funding option), 0.01% of the total Proceeds from any recoveries after repayment of (i) and (ii) above, to the Funder; and    
Pending Litigation [Member] | Phase Two [Member] | Proceeds Four [Member]                
Litigation Financing [Line Items]                
Description of conditions for distribution of proceeds to the claimholder and funder           thereafter, 100% to the Claimholder.    
Poplar Falls LLC [Member] | Pending Litigation [Member]                
Litigation Financing [Line Items]                
Claims Payment Maximum Amount       $ 6,500,000        
Proceeds from advance               $ 2,000,000
Payments of Financing Costs               200,000
Debt discount amount               $ 1,063,811
Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase One [Member]                
Litigation Financing [Line Items]                
Claims Payment Maximum Amount       1,500,000        
Cost Of Funding The Claims For Litigation       80,000        
Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase Two [Member]                
Litigation Financing [Line Items]                
Claims Payment Maximum Amount       5,000,000        
Cost Of Funding The Claims For Litigation       80,000        
Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase Two [Member] | Tranch A [Member]                
Litigation Financing [Line Items]                
Claims amount option to request       3,500,000        
Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase Two [Member] | Tranch B [Member]                
Litigation Financing [Line Items]                
Claims amount option to request       $ 1,500,000