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Schedule of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]      
Federal $ 4,598 $ 215 $ 1,886
State and local 644 560 1,037
Total current income tax expense 5,242 775 2,923
Federal (161) (1,248) 913
State and local (1,092) (20) (92)
Total deferred income tax expense (benefit) (1,253) (1,268) 821
Total income tax expense (benefit) $ 3,989 $ (493) $ 3,744