Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Sep. 30, 2021
Fair Value, Recurring
Assets:
Assets, Fair Value Disclosure	$ 0	$ 0
Liabilities Fair Value Disclosure	0	0
Fair Value, Nonrecurring
Assets:
Assets, Fair Value Disclosure	0	0
Liabilities Fair Value Disclosure	$ 0	0
Minimum
Liabilities:
Maturity term of accounts and long term receivables	1 year
Carrying Amount
Assets:
Cash and cash equivalents	$ 20,332	20,007
Accounts and long-term receivable	10,777	13,968
Liabilities:
Accounts payable and accrued expenses and other long-term liabilities	5,772	5,747
Line of Credit	879	941
Notes payable	1,032	1,633
Fair Value
Assets:
Cash and cash equivalents	20,332	20,007
Accounts and long-term receivable	10,777	13,968
Liabilities:
Accounts payable and accrued expenses and other long-term liabilities	5,772	5,747
Line of Credit	879	941
Notes payable	$ 1,032	$ 1,633