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Controlling Shareholder (Details) - Tontine [Member]
6 Months Ended
Mar. 31, 2018
Related Party Transaction [Line Items]  
Related Party Lease The Company is party to a sublease agreement with Tontine Associates, LLC, an affiliate of Tontine, for corporate office space in Greenwich, Connecticut. The lease was renewed for a three-year term in April 2016 with an increase in the monthly rent to $8
Ownership Percentage Of Common Stock 58.00%