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Summary Of Significant Accounting Policies (Summary Of Derivative Contracts) (Details) - USD ($)
Sep. 30, 2019
Sep. 30, 2018
Derivative Instruments And Hedging Activities Disclosure [Abstract]    
Gross amounts recognized - Current Assets $ 2,256,639 $ 42,150
Offsetting adjustments - Current Assets   (42,150)
Net presentation on Balance Sheets - Current Assets 2,256,639  
Gross amounts recognized - Current Liabilities   3,106,196
Offsetting adjustments - Current Liabilities   (42,150)
Net presentation on Balance Sheets - Current Liabilities   3,064,046
Gross amounts recognized - Non-Current Assets 237,505  
Net presentation on Balance Sheets - Non-Current Assets $ 237,505  
Gross amounts recognized - Non-Current Liabilities   349,970
Net presentation on Balance Sheets - Non-Current Liabilities   $ 349,970