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SHARE-BASED PAYMENTS Equity- and Liability- Classified Awards (Details) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Assumptions used in estimating fair value    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 0 $ 0
Liability-classified share options    
Shares    
Outstanding at the beginning of the period (in shares) 288,750  
Granted (in shares) 0  
Exercised (in shares) 0  
Expired/Forfeited (in shares) 0  
Outstanding at the end of the period (in shares) 288,750 288,750
Exercisable at the end of period (in shares) 288,750  
Weighted-Average Exercise Price    
Outstanding at the beginning of the period (in dollars per share) $ 4.18  
Granted (in dollars per share) 0.00  
Exercised (in dollars per share) 0.00  
Expired/Forfeited (in dollars per share) 0.00  
Outstanding at the end of the period (in dollars per share) 4.18 $ 4.18
Exercisable at the end of period (in dollars per share) $ 4.18  
Weighted-Average Remaining Contractual Term    
Options outstanding, weighted average contractual life 2 months 12 days  
Options exercisable, weighted average contractual life 2 months 12 days  
Aggregate Intrinsic Value    
Options outstanding, aggregate intrinsic value $ 0  
Options exercisable, aggregate intrinsic value $ 0  
Assumptions used in estimating fair value    
Expected volatility range, minimum 87.80% 59.80%
Expected volatility range, maximum 91.10% 60.10%
Weighted-average volatility 90.80% 59.80%
Expected dividends 0.00% 0.00%
Risk-free interest rate, minimum 1.80% 2.60%
Risk-free interest rate, maximum 1.90% 2.90%
Expected forfeitures 0.00% 0.00%
Liability-classified share options | Minimum    
Assumptions used in estimating fair value    
Expected term 2 months 12 days 1 year 2 months 12 days
Liability-classified share options | Maximum    
Assumptions used in estimating fair value    
Expected term 6 months 5 years 2 months 12 days
Equity-classified share options    
Shares    
Outstanding at the beginning of the period (in shares) 30,000  
Granted (in shares) 0  
Exercised (in shares) 0  
Expired/Forfeited (in shares) 0  
Outstanding at the end of the period (in shares) 30,000 30,000
Exercisable at the end of period (in shares) 30,000  
Weighted-Average Exercise Price    
Outstanding at the beginning of the period (in dollars per share) $ 3.01  
Granted (in dollars per share) 0.00  
Exercised (in dollars per share) 0.00  
Expired/Forfeited (in dollars per share) 0.00  
Outstanding at the end of the period (in dollars per share) 3.01 $ 3.01
Exercisable at the end of period (in dollars per share) $ 3.01  
Weighted-Average Remaining Contractual Term    
Options outstanding, weighted average contractual life 6 months  
Options exercisable, weighted average contractual life 6 months  
Aggregate Intrinsic Value    
Options outstanding, aggregate intrinsic value $ 0  
Options exercisable, aggregate intrinsic value $ 0