Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Sep. 30, 2020
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	$ 19,927	19,264
Accounts and long-term receivable	5,818	5,839
Liabilities:
Notes payable	1,838	4,098
Fair Value
Assets:
Cash and cash equivalents	19,927	19,264
Accounts and long-term receivable	5,818	5,839
Liabilities:
Notes payable	$ 1,838	$ 4,098