v3.22.1
Accounts Receivable (Details) - Schedule of Accounts, Notes, Loans and Financing Receivable - USD ($)
Dec. 31, 2021
Sep. 30, 2021
Schedule of Accounts, Notes, Loans and Financing Receivable [Abstract]    
Accounts receivable on completed contracts $ 33,772 $ 68,012
Costs and estimated earnings on contracts in progress 298,121 295,840
Total $ 331,893 $ 363,852