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Shareholders' Equity and Stock-Based Compensation (Tables)
 12 Months Ended
Sep. 30, 2020
2009 Plan [Member]  
Summary of Option Activity under Stock-Based Compensation Plan
Th
e
following table summarizes option activity under the
2009
Plan:
 
     Number of
Shares		      Average
Exercise Price
Per Share		  
Options outstanding at September 30, 2018
      317,492      $ 5.984  
Options exercised during fiscal 2019
      (45,000 )     $ 5.126  
  
 
 
     
Options outstanding at September 30, 2019
      272,492      $ 6.126  
Options exercised during fiscal 2020
      (20,000 )     $ 5.126  
  
 
 
     
Options outstanding at September 30, 2020
      252,492      $ 6.205