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Accrued Expenses (Tables)
 12 Months Ended
Sep. 30, 2020
Payables and Accruals [Abstract]  
Accrued Expenses
Accrued expenses consist of the following as of September 30, 2020 and 2019:
 
     September 30,  
     2020      2019  
Payroll and related accruals
    $ 1,608,000      $ 1,759,000  
Warranty and related accruals
      299,000        277,000  
Professional fees
      247,000        205,000  
Income tax accruals
     
225,000
        175,000  
Other
      226,000        244,000  
  
 
 
     
 
 
  
Accrued expenses
    $ 2,605,000      $ 2,660,000