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STOCK OPTIONS AND WARRANTS - Fair value of options granted using Black Scholes Option Pricing Model with weighted average assumptions (Details 2) - $ / shares
3 Months Ended 9 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]        
Stock price $ 1.58 $ 3.06 $ 2.01 $ 3.05
Exercise price $ 2.58 $ 2.82 $ 2.29 $ 2.93
Expected term, years 6 years 11 months 5 days 9 years 7 months 28 days 5 years 5 months 19 days 7 years 11 months 5 days
Dividend yield
Volatility 115.00% 140.00% 112.00% 135.00%
Risk free rate 2.00% 1.75% 2.00% 2.00%