v3.26.3
Summary of Significant Accounting Policies (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2026
CNY (¥)
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2024
USD ($)
Summary of Significant Accounting Policies [Line Items]                
Allowance for credit losses $ 93,048 $ 93,048      
Impairment for ROU lease assets            
Lease concessions             $ 1,419,132  
Lease received     $ 153,844   $ 3,770      
Estimated useful lives 8 years   8 years          
Impairment losses            
Deferred revenue $ 8,796,657 7,670,555 8,796,657     $ 7,670,555    
Revenue recognized     2,442,947   2,755,067      
Cash vouchers 8,796,657   $ 8,796,657          
Tax benefit percent     50.00% 50.00%        
Penalties and income taxes          
Applicable VAT rate     1.00% 1.00%        
Taxable net income (in Yuan Renminbi) | ¥       ¥ 100,000        
Dilutive shares (in Shares) | shares          
Amount of unprotected cash amount     $ 18,600,000          
Long-term debt investments 54,877,527 53,138,801 54,877,527     $ 53,138,801    
Allowance for credit losses        
Accrued investment income 1,921,197 620,384 1,921,197     620,384    
Uncertain tax provision        
Material inventory write-downs 0 0        
Contract assets        
Debt [Member]                
Summary of Significant Accounting Policies [Line Items]                
Long-term debt investments 54,877,527 53,138,801 $ 54,877,527     53,138,801    
Value Added Tax [Member]                
Summary of Significant Accounting Policies [Line Items]                
Applicable VAT rate     13.00% 13.00%        
Taxable Net Income [Member]                
Summary of Significant Accounting Policies [Line Items]                
Taxable net income (in Yuan Renminbi) | ¥       ¥ 100,000        
Credit Risk [Member]                
Summary of Significant Accounting Policies [Line Items]                
Cash deposits 19,101,065 $ 8,453,345 $ 19,101,065     $ 8,453,345    
Local PRC Tax Authority [Member]                
Summary of Significant Accounting Policies [Line Items]                
Applicable VAT rate     3.00% 3.00%        
One Supplier [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk     73.80% 73.80%   64.70%    
One Supplier [Member] | Supplier Concentration Risk [Member] | Total Purchases [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk     10.90% 10.90% 14.90%      
Two Supplier [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk     12.50% 12.50%   33.50%    
Supplier One [Member] | Supplier Concentration Risk [Member] | Accounts Payable [Member]                
Summary of Significant Accounting Policies [Line Items]                
Percentage of concentration risk     11.30% 11.30%   10.60%    
United States [Member]                
Summary of Significant Accounting Policies [Line Items]                
Cash deposits $ 844,446   $ 844,446         $ 85,782