Other Non-Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Debt issuance costs, net	$ 1,680	$ 1,867
Prepayments to outside operators	184	284
Right of use assets	507	700
Other deposits	71	98
Total other non-current assets, net	$ 2,442	$ 2,949