Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair Value Measurements - Summary of Fair Value Hierarchy for Financial Liabilities Measured At Fair Value on a Recurring Basis (Detail) - Level 3 [Member] - USD ($)	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Liabilities [Abstract]
Litigation financing	$ 64,716,855			$ 56,950,377
2022 Warrants	7,706,773			2,060,773
March 2023 Warrants	3,708,615			1,910,950
December 2023 Warrants	2,785,926			827,036
March 2023 Note Conversion Option	986,000			2,745,000
December 2023 Note Conversion Option	488,000			307,000
Total of fair valued liabilities	$ 80,392,169	$ 71,647,337	$ 61,578,198	$ 64,801,136	$ 63,336,413	$ 82,975,903	$ 74,147,022	$ 74,247,485