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Derivatives (Summary Of Derivative Contracts) (Details) - USD ($)
Dec. 31, 2022
Sep. 30, 2022
Derivative Instruments And Hedging Activities Disclosure [Abstract]    
Gross amounts recognized - Current Assets [1] $ 908,001 $ 924,258
Offsetting adjustments - Current Assets [1] (908,001) (924,258)
Gross amounts recognized - Non-Current Assets [1] 627,664 124,983
Offsetting adjustments - Non-Current Assets [1] (486,319) (124,983)
Net presentation on condensed balance sheets - Non-Current Assets [1] 141,345  
Gross amounts recognized - Current Liabilities [1] 2,442,035 8,798,237
Offsetting adjustments - Current Liabilities [1] (908,001) (924,258)
Derivative contracts, net [1] 1,534,034 7,873,979
Gross amounts recognized - Non-Current Liabilities [1] 486,319 812,195
Offsetting adjustments - Non-Current Liabilities [1] $ (486,319) (124,983)
Derivative contracts, net [1]   $ 687,212
[1] See Note 10: Fair Value Measurements for further disclosures regarding fair value of financial instruments.