XML 62 R48.htm IDEA: XBRL DOCUMENT v3.20.4
SHARE-BASED PAYMENTS Equity- and Liability- Classified Awards (Details) - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
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) (288,750)  
Outstanding at the end of the period (in shares) 0 288,750
Exercisable at the end of period (in shares) 0  
Weighted-Average Exercise Price    
Outstanding at the beginning of the period (in dollars per share) $ 4.18  
Granted (in dollars per share) 0  
Exercised (in dollars per share) 0  
Expired/Forfeited (in dollars per share) 4.18  
Outstanding at the end of the period (in dollars per share) 0 $ 4.18
Exercisable at the end of period (in dollars per share) $ 0  
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%
Expected volatility range, maximum   91.10%
Weighted-average volatility   90.80%
Expected dividends   0.00%
Risk-free interest rate, minimum   1.80%
Risk-free interest rate, maximum   1.90%
Expected forfeitures   0.00%
Liability-classified share options | Minimum    
Assumptions used in estimating fair value    
Expected term   2 months 12 days
Liability-classified share options | Maximum    
Assumptions used in estimating fair value    
Expected term   6 months
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) (30,000)  
Outstanding at the end of the period (in shares) 0 30,000
Exercisable at the end of period (in shares) 0  
Weighted-Average Exercise Price    
Outstanding at the beginning of the period (in dollars per share) $ 3.01  
Granted (in dollars per share) 0  
Exercised (in dollars per share) 0  
Expired/Forfeited (in dollars per share) 3.01  
Outstanding at the end of the period (in dollars per share) 0 $ 3.01
Exercisable at the end of period (in dollars per share) $ 0  
Aggregate Intrinsic Value    
Options outstanding, aggregate intrinsic value $ 0  
Options exercisable, aggregate intrinsic value $ 0