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Fair Value Measurements (Details) - USD ($)
$ in Thousands
9 Months Ended
Jun. 30, 2019
Sep. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure $ 773 $ 747
Financial and Nonfinancial Liabilities, Fair Value Disclosure (656) (631)
Business Combination, Contingent Consideration, Liability, Noncurrent (108) (680)
Fair Value, Net Asset (Liability) 9 (564)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 108 680
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements (295)  
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings (277)  
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure 773 747
Financial and Nonfinancial Liabilities, Fair Value Disclosure (656) (631)
Fair Value, Net Asset (Liability) 117 116
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Business Combination, Contingent Consideration, Liability, Noncurrent (108) (680)
Fair Value, Net Asset (Liability) $ (108) $ (680)