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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 | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | $ 2,653,674 |  | $ 2,653,674 |  | $ 3,174,249
Recurring fair value measurements, gain (loss) during period | 1,708,510 | $ 1,592,680 | 492,886 | $ 2,308,808 |
Derivative liability - non-controlling redeemable preferred shares |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements |  |  |  |  | 0
Recurring fair value measurements, gain (loss) during period |  | 7,907 |  | (3,626) |
2022 July Institutional/Accredited Investor warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements |  |  |  |  | 0
Recurring fair value measurements, gain (loss) during period |  | 3 |  | 4,621 |
2024 February Institutional/Accredited Investor warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 91,712 |  | 91,712 |  | 291,566
Recurring fair value measurements, gain (loss) during period | (18,042) | 1,584,770 | 199,854 | 2,307,813 |
2024 October Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 6,974 |  | 6,974 |  | 292,234
Recurring fair value measurements, gain (loss) during period | 20,082 | 0 | 285,260 | 0 |
Senior Convertible Notes - October 2024 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 152,909 |  | 152,909 |  | 2,475,162
Recurring fair value measurements, gain (loss) during period | 972,245 | 0 | (118,761) | 0 |
Additional Investment Rights - October 2024 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 10,333 |  | 10,333 |  | 5,950
Recurring fair value measurements, gain (loss) during period | 672,334 | 0 | (4,383) | 0 |
2024 December Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 48,708 |  | 48,708 |  | 109,337
Recurring fair value measurements, gain (loss) during period | (8,396) | $ 0 | 60,629 | $ 0 |
2025 March Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 36,257 |  | 36,257 |  |
Recurring fair value measurements, gain (loss) during period | 70,287 |  | 70,287 |  |
2025 April Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 31,683 |  | 31,683 |  |
Recurring fair value measurements, gain (loss) during period | 0 |  | 0 |  |
2025 May Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 139,917 |  | 139,917 |  |
Recurring fair value measurements, gain (loss) during period | 0 |  | 0 |  |
Senior Convertible Notes - May 2025 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 2,135,181 |  | 2,135,181 |  |
Recurring fair value measurements, gain (loss) during period | 0 |  | 0 |  |
Level 1: Quoted Prices in Active Markets for Identical Assets |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 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 |  | 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 |  | 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 |  | 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 |  | 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 |  | 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 |  | 0 |  |
Level 1: Quoted Prices in Active Markets for Identical Assets | 2025 April 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 May 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 - May 2025 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  |
Level 2: Significant Other Observable Inputs |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 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 |  | 0
Level 2: Significant Other Observable Inputs | 2024 October Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  | 0
Level 2: Significant Other Observable Inputs | Senior Convertible Notes - October 2024 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  | 0
Level 2: Significant Other Observable Inputs | Additional Investment Rights - October 2024 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  | 0
Level 2: Significant Other Observable Inputs | 2024 December Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  | 0
Level 2: Significant Other Observable Inputs | 2025 March Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  |
Level 2: Significant Other Observable Inputs | 2025 April Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  |
Level 2: Significant Other Observable Inputs | 2025 May Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  |
Level 2: Significant Other Observable Inputs | Senior Convertible Notes - May 2025 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 0 |  | 0 |  |
Level 3: Significant Unobservable Inputs |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 2,653,674 |  | 2,653,674 |  | 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 | 91,712 |  | 91,712 |  | 291,566
Level 3: Significant Unobservable Inputs | 2024 October Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 6,974 |  | 6,974 |  | 292,234
Level 3: Significant Unobservable Inputs | Senior Convertible Notes - October 2024 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 152,909 |  | 152,909 |  | 2,475,162
Level 3: Significant Unobservable Inputs | Additional Investment Rights - October 2024 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 10,333 |  | 10,333 |  | 5,950
Level 3: Significant Unobservable Inputs | 2024 December Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 48,708 |  | 48,708 |  | $ 109,337
Level 3: Significant Unobservable Inputs | 2025 March Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 36,257 |  | 36,257 |  |
Level 3: Significant Unobservable Inputs | 2025 April Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 31,683 |  | 31,683 |  |
Level 3: Significant Unobservable Inputs | 2025 May Institutional/Accredited Investor Warrants |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | 139,917 |  | 139,917 |  |
Level 3: Significant Unobservable Inputs | Senior Convertible Notes - May 2025 |  |  |  |  |
Recurring fair value measurements |  |  |  |  |
Recurring fair value measurements | $ 2,135,181 |  | $ 2,135,181 |  |

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