Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Jan. 31, 2018	Oct. 31, 2017
Payables and Accruals [Abstract]
Accounts payable	$ 25	$ 25
Due to Zift		36
Medical study and supplies	511	362
Medical equipment purchase	360	54
Salaries and other compensation	1,312	574
Legal and accounting	737	555
Other accruals	367	333
Total accounts payable and accrued expenses	$ 3,312	$ 1,939