Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Payables and Accruals [Abstract]
Accounts payable	$ 25
Due to Zift	36
Medical study and supplies	362
Medical equipment purchase	54
Salaries and other compensation	574	463
Legal and accounting	555
Other accruals	333	11
Total accounts payable and accrued expenses	$ 1,939	$ 474