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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