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Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 2,088 $ 2,088
Accumulated Amortization (1,479) (1,218)
Net Carrying Amount $ 609 870
Customer lists    
Finite-Lived Intangible Assets [Line Items]    
Useful Life 6 years  
Gross Carrying Amount $ 1,219 1,219
Accumulated Amortization (1,151) (948)
Net Carrying Amount $ 68 271
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Useful Life 15 years  
Gross Carrying Amount $ 869 869
Accumulated Amortization (328) (270)
Net Carrying Amount $ 541 $ 599