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Equity (Schedule of Stock Options Activity) (Details) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Number of Shares    
Outstanding, beginning of period (in shares) 69,980  
Granted (in shares) 0 0
Exercised (in shares) (208)  
Forfeited (in shares) (2,199)  
Expired (in shares) (15,719)  
Outstanding, end of period (in shares) 51,854 69,980
Exercisable (in shares) 41,200  
Vested and expected to vest (in shares) 51,854  
Weighted Average Exercise Price    
Outstanding, beginning of period (in usd per share) $ 4.74  
Granted (in usd per share) 0.00  
Exercised (in usd per share) 3.97  
Forfeited (in usd per share) 4.16  
Expired (in usd per share) 3.97  
Outstanding, ending of period (in usd per share) 5.00 $ 4.74
Exercisable (in usd per share) 5.07  
Vested and expected to vest (in usd per share) $ 5.00  
Weighted Average Remaining Contractual Life (in years)    
Weighted average remaining contractual life, outstanding (in years) 4 years 9 months 15 days  
Weighted average remaining contractual life, exercisable (in years) 4 years 5 months 5 days  
Weighted average remaining contractual term, vested and expected to vest (in years) 4 years 9 months 15 days  
Aggregate Intrinsic Value    
Intrinsic value of options exercised $ 0.00 $ 23,000
Intrinsic value of shared outstanding 0  
Intrinsic value of shares exercisable 0  
Intrinsic value of shares vested and expected to vest 0  
Employee Stock Option    
Aggregate Intrinsic Value    
Unrecognized stock-based compensation expense $ 20,000  
Expected weighted average recognition period 1 year 1 month 13 days