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Loans Payable - Note 9 - Litigation Financing Note - Additional Information (Detail) - USD ($) |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 14, 2021 | Dec. 12, 2020 | Jun. 14, 2019 | Jan. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 01, 2021
Interest Expense |  |  |  |  | $ 10,829,464 | $ 6,915,535 | $ 5,360,192 |
Amortization of Debt Discount |  |  |  |  | 195,863 | 323,171 |  |
Loans payable |  |  |  |  | 41,257,007 | 42,593,268 |  |
Amount receivable related to a loss contingency |  |  |  |  | 18,472,997 | 11,489,029 |  |
Litigation Financing [Member] |  |  |  |  |  |  |  |
Debt discount amount |  |  |  |  | 649,928 | 890,962 |  |
Litigation Financing [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |
Debt discount amount |  |  |  |  | 293,793 | 347,786 |  |
Loans payable |  |  |  |  |  | 10,968,729 |  | $ 18,323,097
Amount receivable related to a loss contingency |  |  |  |  | 19,266,818 | 12,207,477 |  |
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. |  |  |  |  |  |  |
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] | Pending Litigation [Member] |  |  |  |  |  |  |  |
Claims Payment Maximum Amount |  |  | $ 6,500,000 |  |  |  |  |
Interest Expense |  |  |  |  | 7,354,940 | 3,668,242 |  |
Proceeds from advance |  |  |  |  |  | 2,000,000.0 |  |
Payments of Financing Costs |  |  |  |  |  | 200,000 |  |
Debt discount amount |  |  |  |  |  | 1,063,811 |  |
Amortization of Debt Discount |  |  |  |  | 241,034 | 172,849 |  |
Interest from the fee amortization |  |  |  |  | $ 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 |  |  |  |  |

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