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Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($)
$ in Thousands
Apr. 30, 2017
Oct. 31, 2016
Property, Plant and Equipment [Abstract]    
Medical equipment $ 1,935
Computers and software 139 61
Furniture and equipment 109 78
Total property and equipment, gross 2,183 139
Accumulated depreciation (305) (121)
Total property and equipment, net $ 1,878 $ 18