Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 31, 2018	Oct. 31, 2017
Payables and Accruals [Abstract]
Accounts payable	$ 82	$ 25
Due to Zift		36
Medical study and supplies	186	362
Medical equipment purchase	368	54
Salaries and other compensation	1,108	574
Legal and accounting	1,050	555
Other accruals	1,073	333
Total accounts payable and accrued expenses	$ 3,867	$ 1,939