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Fair Value Measurements - Schedule of liabilities measured at fair value on the condensed consolidated balance sheet (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Recurring fair value measurements |  |  |
Recurring fair value measurements | $ 2,831,842 |  | $ 3,174,249
Recurring fair value measurements, gain (loss) during period | (1,215,624) | $ 716,129 |
Derivative liability - non-controlling redeemable preferred shares |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Recurring fair value measurements, gain (loss) during period |  | (11,533) |
2022 July Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Recurring fair value measurements, gain (loss) during period |  | 4,619 |
2024 February Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 73,670 |  | 291,566
Recurring fair value measurements, gain (loss) during period | 217,896 | 723,043 |
2024 October Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 27,056 |  | 292,234
Recurring fair value measurements, gain (loss) during period | 265,178 | 0 |
Senior Convertible Notes - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 508,137 |  | 2,475,162
Recurring fair value measurements, gain (loss) during period | (1,091,006) | 0 |
Additional Investment Rights - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 682,667 |  | 5,950
Recurring fair value measurements, gain (loss) during period | (676,717) | 0 |
2024 December Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 40,312 |  | 109,337
Recurring fair value measurements, gain (loss) during period | 69,025 | $ 0 |
2025 March Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 106,544 |  |
Recurring fair value measurements, gain (loss) during period | 0 |  |
Senior Convertible Notes - March 2025 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 1,393,456 |  |
Recurring fair value measurements, gain (loss) during period | 0 |  |
Level 1: Quoted Prices in Active Markets for Identical Assets |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | Derivative liability - non-controlling redeemable preferred shares |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2022 July Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2024 February Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2024 October Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | Senior Convertible Notes - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | Additional Investment Rights - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2024 December Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2025 March Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  |
Level 1: Quoted Prices in Active Markets for Identical Assets | Senior Convertible Notes - March 2025 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  |
Level 2: Significant Other Observable Inputs |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 2: Significant Other Observable Inputs | Derivative liability - non-controlling redeemable preferred shares |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Level 2: Significant Other Observable Inputs | 2022 July Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Level 2: Significant Other Observable Inputs | 2024 February Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 2: Significant Other Observable Inputs | 2024 October Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 2: Significant Other Observable Inputs | Senior Convertible Notes - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 2: Significant Other Observable Inputs | Additional Investment Rights - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 2: Significant Other Observable Inputs | 2024 December Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  | 0
Level 2: Significant Other Observable Inputs | 2025 March Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  |
Level 2: Significant Other Observable Inputs | Senior Convertible Notes - March 2025 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 0 |  |
Level 3: Significant Unobservable Inputs |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 2,831,842 |  | 3,174,249
Level 3: Significant Unobservable Inputs | Derivative liability - non-controlling redeemable preferred shares |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Level 3: Significant Unobservable Inputs | 2022 July Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements |  |  | 0
Level 3: Significant Unobservable Inputs | 2024 February Institutional/Accredited Investor warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 73,670 |  | 291,566
Level 3: Significant Unobservable Inputs | 2024 October Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 27,056 |  | 292,234
Level 3: Significant Unobservable Inputs | Senior Convertible Notes - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 508,137 |  | 2,475,162
Level 3: Significant Unobservable Inputs | Additional Investment Rights - October 2024 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 682,667 |  | 5,950
Level 3: Significant Unobservable Inputs | 2024 December Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 40,312 |  | $ 109,337
Level 3: Significant Unobservable Inputs | 2025 March Institutional/Accredited Investor Warrants |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | 106,544 |  |
Level 3: Significant Unobservable Inputs | Senior Convertible Notes - March 2025 |  |  |
Recurring fair value measurements |  |  |
Recurring fair value measurements | $ 1,393,456 |  |

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