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Loans Payable - Litigation Financing Note - 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, 2022
Dec. 31, 2021
Dec. 31, 2020
Loans payable           $ 46,743,703 $ 41,878,777  
Amount receivable related to a loss contingency           25,011,049 18,472,997  
Litigation Financing [Member]                
Debt discount amount           353,996 649,928  
Loans payable           24,347,513 18,323,097  
Litigation Financing [Member] | Loans Payable [Member]                
Debt discount amount           146,897 293,793  
Loans payable           24,347,513 18,323,097  
Amount receivable related to a loss contingency           24,848,406 19,266,818  
Amended and Restated International Claims Enforcement Agreement [Member]                
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]                
Claims Payment Maximum Amount     $ 20,000,000          
Litigation Settlement Loans Payable Transaction Costs     200,000     $ 80,000    
Third Amended And Restated International Claims Enforcement Agreement [Member]                
Claims Payment Maximum Amount   $ 25,000,000            
IncreaseDecreaseInClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled   $ 5,000,000.0            
ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettledDescription   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] | Subsequent Event [Member]                
Nonrefundable fee $ 1,000,000              
Waiver Agreement [Member] | Litigation Financing [Member] | Subsequent Event [Member]                
Claims Payment Maximum Amount 5,000,000              
Nonrefundable fee 1,000,000              
Waiver Agreement [Member] | Maximum [Member] | Litigation Financing [Member] | Subsequent Event [Member]                
Claims Payment Maximum Amount $ 5,000,000              
Phase Three [Member] | Second Amended and Restated International Claims Enforcement Agreement [Member]                
Claims Payment Maximum Amount     $ 10,000,000          
Pending Litigation [Member] | Phase One [Member] | Proceeds One [Member]                
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]                
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]                
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]                
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]                
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]                
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]                
Description of conditions for distribution of proceeds to the claimholder and funder       thereafter, 100% to the Claimholder.        
Poplar Falls LLC [Member] | Maximum [Member]                
Common stock and warrants sold           551,378    
Poplar Falls LLC [Member] | Pending Litigation [Member]                
Claims Payment Maximum Amount       $ 6,500,000        
Proceeds from advance               $ 2,000,000.0
Payments of Financing Costs               200,000
Debt discount amount               1,063,811
Amortization of Debt Discount           $ 295,932 241,034 172,849
Interest from the fee amortization           $ 146,896 $ 133,993 $ 52,214
Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase One [Member]                
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]                
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]                
Claims amount option to request       3,500,000        
Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase Two [Member] | Tranch B [Member]                
Claims amount option to request       $ 1,500,000