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15. FAIR VALUE MEASUREMENTS (Details 1) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Fair Value Disclosures [Abstract]    
Beginning balance $ 9,317,031 $ 2,029,629
Issuances 0 0
Exercises (3,589,357) (595,780)
Net realized and unrealized derivative (gain)/loss 760,636 7,892,182
Ending balance $ 6,488,310 $ 9,317,031