Fair Value Measurements (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2020	Sep. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 673	$ 763
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(559)	(646)
Business Combination, Contingent Consideration, Liability, Noncurrent	(11)	(11)
Fair Value, Net Asset (Liability)	103	106
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	11	11
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements	0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	0
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	673	763
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(559)	(646)
Fair Value, Net Asset (Liability)	114	117
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	(11)	(11)
Fair Value, Net Asset (Liability)	$ (11)	$ (11)