v3.26.1
Note 3 - Noncontrolling Interest and Loans From Related Parties (Details Textual)
1 Months Ended
Feb. 28, 2025
USD ($)
Feb. 28, 2025
CNY (¥)
Mar. 31, 2026
USD ($)
Jan. 31, 2026
Dec. 31, 2025
USD ($)
Equity, Attributable to Noncontrolling Interest     $ (76,077)   $ (61,090)
Nantong Green Energy Technology [Member]          
Joint Venture, Research and Development Funding from Joint Venture Partner $ 1,200,000 ¥ 8,000,000      
Joint Venture, Maximum Contingent Amount of Funding Loan | ¥   ¥ 10,000,000      
Joint Venture, Research and Development Funding Loan, Annual Interest Rate 12.00% 12.00%      
Equity, Attributable to Noncontrolling Interest     $ 76,077    
Nantong Green Energy Technology [Member]          
Subsidiary, Ownership Percentage, Parent       90.00%  
Nantong Green Energy Technology [Member] | Unrelated Third Party [Member]          
Subsidiary, Ownership Percentage, Noncontrolling Owner       10.00%