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PENSION PLAN (Schedule of Net Pension Cost) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Retirement Benefits [Abstract]    
Service cost benefits earned during the year
Interest cost on projected benefit obligation 158 182
Expected return on plan assets (225) (233)
Amortization of unrecognized net loss 181 105
Net pension cost $ 114 $ 54