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D. FAIR VALUE MEASUREMENTS (Details) - USD ($)
Dec. 31, 2017
Sep. 30, 2017
Derivative instruments $ 3,011,632 $ 2,053,402
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)    
Derivative instruments 19,705 32,773
Significant Other Observable Inputs (Level 2)    
Derivative instruments 0 0
Significant Unobservable Inputs (Level 3)    
Derivative instruments $ 2,991,927 $ 2,020,629