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D. FAIR VALUE MEASUREMENTS (Details) - USD ($)
Dec. 31, 2019
Sep. 30, 2019
Derivative instruments $ 5,721,801 $ 6,488,310
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)    
Derivative instruments 0 0
Significant Other Observable Inputs (Level 2)    
Derivative instruments 0 0
Significant Unobservable Inputs (Level 3)    
Derivative instruments $ 5,721,801 $ 6,488,310