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Investments (Details) - USD ($)
12 Months Ended
Sep. 24, 2020
Sep. 30, 2021
Sep. 30, 2020
Jun. 12, 2020
Short Term Investments [Abstract]        
Wealth management duration 1 year 6 months      
Unrealized gain   $ 58,461  
Convertible debt instrument annual interest rate       6.00%
Interest income or loss   $ 43,493