Fair Value Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
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:
Term of debt	1 year
Maturity term of accounts and long term receivables	1 year
Carrying Amount
Assets:
Cash and cash equivalents	$ 19,264	18,099
Accounts & long-term receivable	5,839	7,087
Liabilities:
Notes payable	4,098	1,001
Fair Value
Assets:
Cash and cash equivalents	19,264	18,099
Accounts & long-term receivable	5,839	7,087
Liabilities:
Notes payable	$ 4,098	$ 1,001