Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies (Details Narrative)

v3.26.1
Summary of Significant Accounting Policies (Details Narrative)
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Integer
Jun. 30, 2025
USD ($)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Product Information [Line Items]              
Accounts Receivable, Allowance for Credit Loss $ 278,201   $ 278,201     $ 278,201  
Number of operating segment | Integer     3        
Number of reportable segment | Integer     3        
Cash 1,600,258   $ 1,600,258   ¥ 25,801 7,934,958 ¥ 26,552
Net loss 1,518,958 $ 1,505,648 2,765,036 $ 2,757,026      
Accumulated deficit 34,015,113   34,015,113     $ 31,023,411  
Negative cash flow from operating activities     1,889,277 $ 2,648,288      
Cash equivalents and short-term investments $ 1,600,258   $ 1,600,258        
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 80.00% 55.00% 43.00% 36.00%      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Two [Member] | Other Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage 12.00% 29.00% 26.00% 24.00%      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer Three [Member] | Other Revenue [Member]              
Product Information [Line Items]              
Concentration risk percentage     13.00% 12.00%      
Accounts Payable [Member] | Product Concentration Risk [Member] | OneVendors [Member]              
Product Information [Line Items]              
Concentration risk percentage     66.00% 66.00%