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EQUITY - Schedule of Fair value of options (Details) - Stock options - $ / shares
1 Months Ended 3 Months Ended
Jul. 31, 2017
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility   58.40%
Expected life   4 years 6 months
Expected dividends   0.00%
Risk-free interest rate   2.91%
Stock options granted (in shares) 135,000 400,000
Weighted average exercise price (in dollars per share)   $ 8.75
Weighted average grant date fair value (in dollars per share)   $ 4.37