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v3.25.3

Fair Value Measurements - Schedule of Changes in Level 3 Fair Value Measurements (Detail) - Level 3 [Member] - USD ($) | 3 Months Ended
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Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | $ 71,647,337 | $ 61,578,198 | $ 64,801,136 | $ 82,975,903 | $ 74,147,022 | $ 74,247,485
Debt conversion - 55,000 common shares |  |  |  | (97,056) | (96,582) |
Warrants Exercised |  | (615,685) |  |  |  |
Change in fair value | $ 8,744,832 | $ 10,684,824 | $ (3,222,938) | $ (19,542,434) | $ 8,925,463 | $ (7,854,901)
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Gain (Loss) on Derivative Instruments, Net, Pretax | Gain (Loss) on Derivative Instruments, Net, Pretax | Gain (Loss) on Derivative Instruments, Net, Pretax | Gain (Loss) on Derivative Instruments, Net, Pretax | Gain (Loss) on Derivative Instruments, Net, Pretax | Gain (Loss) on Derivative Instruments, Net, Pretax
Classification of warrant as liability |  |  |  |  |  | $ 7,754,438
Ending Balance | $ 80,392,169 | $ 71,647,337 | $ 61,578,198 | $ 63,336,413 | $ 82,975,903 | 74,147,022
37N Note Embedded Derivative [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 0 | 0 | 0 | 251,298 | 336,857 | 702,291
Debt conversion - 55,000 common shares |  |  |  | (97,056) | (96,582) |
Warrants Exercised |  | 0 |  |  |  |
Change in fair value | 0 | 0 | 0 | (6,279) | 11,023 | (365,434)
Classification of warrant as liability |  |  |  |  |  | 0
Ending Balance | 0 | 0 | 0 | 147,963 | 251,298 | 336,857
March 2023 Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 2,577,392 | 943,242 | 1,910,950 | 7,424,985 | 5,263,018 | 0
Debt conversion - 55,000 common shares |  |  |  | 0 | 0 |
Warrants Exercised |  | (615,685) |  |  |  |
Change in fair value | 1,131,223 | 2,249,835 | (967,708) | (5,913,083) | 2,161,967 | (2,491,420)
Classification of warrant as liability |  |  |  |  |  | 7,754,438
Ending Balance | 3,708,615 | 2,577,392 | 943,242 | 1,511,902 | 7,424,985 | 5,263,018
December 2023 Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 1,611,829 | 406,430 | 827,036 | 3,397,288 | 2,268,472 | 2,392,563
Debt conversion - 55,000 common shares |  |  |  | 0 | 0 |
Warrants Exercised |  | 0 |  |  |  |
Change in fair value | 1,174,097 | 1,205,399 | (420,606) | (2,745,188) | 1,128,816 | (124,091)
Classification of warrant as liability |  |  |  |  |  | 0
Ending Balance | 2,785,926 | 1,611,829 | 406,430 | 652,100 | 3,397,288 | 2,268,472
Put Option Liability [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 0 | 0 | 0 | 5,393,909 | 4,384,777 | 5,637,162
Debt conversion - 55,000 common shares |  |  |  | 0 | 0 |
Warrants Exercised |  | 0 |  |  |  |
Change in fair value | 0 | 0 | 0 | (5,285,472) | 1,009,132 | (1,252,385)
Classification of warrant as liability |  |  |  |  |  | 0
Ending Balance | 0 | 0 | 0 | 108,437 | 5,393,909 | 4,384,777
March 2023 Conversion Option [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 3,095,000 | 428,000 | 2,745,000 | 0 | 0 | 0
Debt conversion - 55,000 common shares |  |  |  | 0 | 0 |
Warrants Exercised |  | 0 |  |  |  |
Change in fair value | (2,109,000) | 2,667,000 | (2,317,000) | 0 | 0 | 0
Classification of warrant as liability |  |  |  |  |  | 0
Ending Balance | 986,000 | 3,095,000 | 428,000 | 0 | 0 | 0
December 2023 Conversion Option [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 509,000 | 166,000 | 307,000 | 0 | 0 | 0
Debt conversion - 55,000 common shares |  |  |  | 0 | 0 |
Warrants Exercised |  | 0 |  |  |  |
Change in fair value | (21,000) | 343,000 | (141,000) | 0 | 0 | 0
Classification of warrant as liability |  |  |  |  |  | 0
Ending Balance | 488,000 | 509,000 | 166,000 | 0 | 0 | 0
Litigation Financing [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 59,470,022 | 58,663,816 | 56,950,377 | 53,461,815 | 52,691,820 | 52,115,647
Debt conversion - 55,000 common shares |  |  |  | 0 | 0 |
Warrants Exercised |  | 0 |  |  |  |
Change in fair value | 5,246,833 | 806,206 | 1,713,439 | 5,206,553 | 769,995 | 576,173
Classification of warrant as liability |  |  |  |  |  | 0
Ending Balance | 64,716,855 | 59,470,022 | 58,663,816 | 58,668,368 | 53,461,815 | 52,691,820
2022 Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Beginning Balance | 4,384,094 | 970,710 | 2,060,773 | 13,046,608 | 9,202,078 | 13,399,822
Debt conversion - 55,000 common shares |  |  |  | 0 | 0 |
Warrants Exercised |  | 0 |  |  |  |
Change in fair value | 3,322,679 | 3,413,384 | (1,090,063) | (10,798,965) | 3,844,530 | (4,197,744)
Classification of warrant as liability |  |  |  |  |  | 0
Ending Balance | $ 7,706,773 | $ 4,384,094 | $ 970,710 | $ 2,247,643 | $ 13,046,608 | $ 9,202,078

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