v3.26.1
Summary of significant accounting policies (Details Narrative)
12 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2019
USD ($)
Apr. 30, 2014
USD ($)
Jan. 31, 2014
USD ($)
Summary of significant accounting policies            
Working capital $ 61,000,000.0          
Net assets and shareholders' surplus 102,000,000.0          
Net loss (11,100,000)          
Accumulated deficit (27,900,000)          
Net cash used in operating activities $ (2,000,000.0)          
Description of biological assets Biological assets mainly consist forest for future wood harvest and sales, of which the Company owned 27 forest right certificates          
Estimated useful life of land use right 50 years          
Shipping and handling expenses $ 0 $ 0 $ 24,979      
Government subsidy income 0 81,896 $ 97,366      
Government subsidies received, equipment of energy projects       $ 140,000 $ 140,000 $ 840,000
Unrecognized government grants $ 0 $ 0        
Maximum rate of VAT 13.00%          
Effect of exchange rate on foreign currency translation 7.1190 7.0176        
Average exchange rates 7.2125 7.2043 7.0533      
Maximum insured amount deposit in bank $ 70,000