D. FAIR VALUE MEASUREMENTS (Details) - USD ($)	Mar. 31, 2019	Sep. 30, 2018
Derivative instruments	$ 4,727,929	$ 9,317,064
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Derivative instruments	0	33
Significant Other Observable Inputs (Level 2)
Derivative instruments	0	0
Significant Unobservable Inputs (Level 3)
Derivative instruments	$ 4,727,929	$ 9,317,031

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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