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Recent Accounting Pronouncements - Recent Accounting Pronouncement (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Oct. 01, 2019
Sep. 30, 2019
Assets:      
Operating lease right-of-use assets $ 2,180 $ 2,448  
Liabilities:      
Accounts payable and accrued expenses 9,721 16,840 $ 16,175
Operating lease liabilities - noncurrent portion $ 1,562 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