v3.25.2
Summary of Significant Accounting Principles (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
ft²
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Summary of Significant Accounting Principles [Line Items]              
Cash and cash equivalents $ 476,682,552   $ 476,682,552   $ 270,728,008 $ 372,340,353 $ 436,219,931
Cash and cash equivalents segregated under federal and foreign requirements 1,190,513,861   1,190,513,861   939,232,153 621,802,114  
Allowance for credit losses         1,114,751 225,572  
Decrease to indemnification obligation         557,103    
Indemnification obligation         557,102  
Fractional share repurchase obligation 127,456,614   $ 127,456,614   108,252,531 45,528,829  
Customer cash         $ 1,270,372,599 579,199,615  
Fractional share repurchase obligation           45,528,829  
Operating lease         Promotional payments of revenue    
Operating lease income         $ 1,135,608 1,102,459 127,768
Handling charges income         3,623,929 518,110 541,356
Capitalized related costs         7,603,867 2,340,539  
Preferred shares redemption value accretion         495,088,038 340,080,000 51,409,749
Securities sold not yet purchased         2,196 2,083  
CODM description     This determination is based upon the financial information reviewed by our Chief Operating Decision Maker (“CODM”). Our CODM is our management committee, which is comprised of the Company’s Chief Executive Officer, President and Chief Financial Officer who collectively assess the performance of the Company and allocate resources across the Company.        
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     Chief Executive Officer        
Promotional payments of revenue 131,493,350 $ 89,895,888 $ 248,862,185 $ 178,831,608 390,229,672 389,602,570 388,332,920
Promotional payments reduction in revenue         (326,044) (264,340)  
United States [Member]              
Summary of Significant Accounting Principles [Line Items]              
Employee benefits expense         340,367 31,261  
Mainland China [Member]              
Summary of Significant Accounting Principles [Line Items]              
Employee benefits expense         4,664,052 3,009,712 5,220,133
Hong Kong [Member]              
Summary of Significant Accounting Principles [Line Items]              
Employee benefits expense         72,453 65,214 46,889
Singapore [Member]              
Summary of Significant Accounting Principles [Line Items]              
Employee benefits expense         311,149 358,879 236,175
Japan [Member]              
Summary of Significant Accounting Principles [Line Items]              
Employee benefits expense         288,095 140,256 81,128
Others [Member]              
Summary of Significant Accounting Principles [Line Items]              
Employee benefits expense         $ 739,351 $ 305,333 $ 102,517
Customer Concentration Risk [Member] | Customer One [Member] | Revenue Benchmark [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         24.00% 41.00% 26.00%
Concentration risk, percentage     17.70% 29.00%      
Customer Concentration Risk [Member] | Customer One [Member] | Accounts Receivable [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage     78.10%   85.00%    
Customer Concentration Risk [Member] | Customers Two [Member] | Revenue Benchmark [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         19.00% 24.00% 22.00%
Concentration risk, percentage     16.30% 19.00%      
Customer Concentration Risk [Member] | Customers Two [Member] | Accounts Receivable [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage     10.10%        
Customer Concentration Risk [Member] | Customers Three [Member] | Revenue Benchmark [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         11.00% 11.00% 14.00%
Concentration risk, percentage     11.30% 14.00%      
Customer Concentration Risk [Member] | Customer Four [Member] | Revenue Benchmark [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage     10.60%        
Accounts Payable and Other Accrued Expenses [Member]              
Summary of Significant Accounting Principles [Line Items]              
Indemnification obligation           $ 557,103  
Promotional Payments [Member]              
Summary of Significant Accounting Principles [Line Items]              
Promotional payments of revenue $ 5,087,904 $ 734,916          
Promotional payments reduction in revenue     $ 7,912,560 $ 1,812,200      
China [Member]              
Summary of Significant Accounting Principles [Line Items]              
Land lease agreement right to use (in Square Feet) | ft²         288,690    
China [Member] | Customer Concentration Risk [Member] | Customers Two [Member] | Cash and Cash Equivalents [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         2.00% 10.00%  
UNITED STATES              
Summary of Significant Accounting Principles [Line Items]              
Promotional payments of revenue         $ 355,022,439 $ 363,746,474 $ 375,653,156
UNITED STATES | Customer Concentration Risk [Member] | Accounts Receivable [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         90.00% 89.00%  
Concentration risk, percentage     91.00%   90.00%    
UNITED STATES | Customer Concentration Risk [Member] | Customer One [Member] | Cash and Cash Equivalents [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         81.00% 72.00%  
HONG KONG              
Summary of Significant Accounting Principles [Line Items]              
Promotional payments of revenue         $ 6,692,262 $ 5,066,724 $ 6,427,891
HONG KONG | Customer Concentration Risk [Member] | Customers Three [Member] | Cash and Cash Equivalents [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         6.00% 5.00%  
Maximum [Member]              
Summary of Significant Accounting Principles [Line Items]              
Percentage of matching employee contributions           50.00%  
Maximum [Member] | Customer Concentration Risk [Member] | Customer [Member] | Accounts Receivable [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage         85.00%    
Minimum [Member]              
Summary of Significant Accounting Principles [Line Items]              
Percentage of matching employee contributions           2.50%  
Minimum [Member] | Customer Concentration Risk [Member] | Customer [Member] | Accounts Receivable [Member]              
Summary of Significant Accounting Principles [Line Items]              
Concentration risk, percentage           76.00%