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Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Summary of significant accounting policies (Textual)    
Asset retirement obligations $ 495,414 $ 493,411
Excess of deposit insurance limits $ 41,352  
Antidilutive securities excluded from computation of earnings 11,530,000