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Asset Retirement Obligations (Details Textual) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Asset Retirement Obligations (Textual)    
Estimate of undiscounted cash flows related to asset retirement obligation $ 610,291 $ 624,354
Fair value of liability $ 500,392 $ 493,467
Risk free rate 3.74%  
Inflation rate 2.00%  
Term of settlement of the obligation 24 years