Recent Accounting Pronouncements - Recent Accounting Pronouncement (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Oct. 01, 2019	Sep. 30, 2019
Assets:
Operating lease right-of-use assets	$ 2,131	$ 2,448
Liabilities:
Accounts payable and accrued expenses	10,435	16,840	$ 16,175
Operating lease liabilities - noncurrent portion	$ 1,529	1,783
Restatement Adjustment | Accounting Standards Update 2016-02
Assets:
Operating lease right-of-use assets		2,448
Liabilities:
Accounts payable and accrued expenses		665
Operating lease liabilities - noncurrent portion		$ 1,783