Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Payables and Accruals [Abstract]
Employee costs	$ 942	$ 1,192
Taxes other than income tax	91	69
Interest	23	0
Other, net	443	357
Total accrued expenses	$ 1,499	$ 1,618