Derivatives (Summary Of Derivative Contracts) (Details) - USD ($)		Dec. 31, 2016	Sep. 30, 2016
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Gross amounts recognized - Current Liabilities	[1]	$ 2,933,947	$ 471,847
Offsetting adjustments - Current Liabilities	[1]		(68,235)
Derivative contracts, net	[1]	2,933,947	403,612
Gross amounts recognized - Non-Current Liabilities	[1]	10,587	29,418
Offsetting adjustments - Non-Current Liabilities	[1]		(4,759)
Derivative contracts, net	[1]	$ 10,587	24,659
Gross amounts recognized - Current Assets	[1]		68,235
Offsetting adjustments - Current Assets	[1]		(68,235)
Gross amounts recognized - Non-Current Assets	[1]		4,759
Offsetting adjustments - Non-Current Assets	[1]		$ (4,759)

[1] See Fair Value Measurements section for further disclosures regarding fair value of financial instruments