Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies (Details Narrative)

v3.26.3
Summary of Significant Accounting Policies (Details Narrative)
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Integer
shares
Sep. 30, 2025
USD ($)
Sep. 30, 2026
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Product Information [Line Items]              
Allowance for doubtful account $ 278,201   $ 278,201     $ 278,201  
Number of operating segment | Integer     3        
Number of reportable segment | Integer     3        
Cash 4,440,231   $ 4,440,231   ¥ 30,412 7,934,958 ¥ 26,552
Net loss 1,389,425 $ 1,166,375 4,154,461 $ 3,923,401      
Accumulated deficit 35,404,538   35,404,538     $ 31,023,411  
Negative cash flow from operating activities     2,742,684 $ 3,709,104      
Cash equivalents and short-term investments $ 4,440,231   $ 4,440,231        
Series A Common Stock Warrants [Member]              
Product Information [Line Items]              
Exercised warrants | shares     279,330        
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Tenant One [Member] | Rental Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage 37.00%   37.00%        
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Tenant Two [Member] | Rental Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage 12.00%   12.00%        
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer One [Member] | Other Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage 98.00% 99.00% 36.00% 52.00%      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Two [Member] | Other Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage     22.00% 32.00%      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Three [Member] | Other Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage     16.00% 10.00%      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Four [Member] | Other Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage     10.00%        
Accounts Payable [Member] | Product Concentration Risk [Member] | One Vendor [Member]              
Product Information [Line Items]              
Concentration risk percentage   66.00% 100.00% 76.00%