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STOCK OPTIONS AND WARRANTS - Summary of value of options granted using Black Scholes Option Pricing Model with weighted average assumptions (Details 2) - $ / shares
3 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]    
Stock price $ 1.32 $ 2.21
Exercise price $ 5.53 $ 1.64
Expected term, years 2 years 5 months 5 days 8 years 10 months 21 days
Dividend yield 0.00% 0.00%
Volatility 72.00% 125.00%
Risk free rate 2.84% 2.36%