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Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Oct. 31, 2018
Oct. 31, 2017
Payables and Accruals [Abstract]    
Accounts payable $ 2,007 $ 441
Salaries and other compensation 933 574
Other accruals 792 369
Legal and accounting 631 555
Total accounts payable and accrued expenses $ 4,363 $ 1,939