Fair Value Measurements - Schedule of Fair Value of Financial Instruments Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Jul. 31, 2018	Oct. 31, 2017
Contingent consideration	$ 268
Warrant liability		$ 4,256
Derivative liability		9,246
Total	268	13,502
Level 1 [Member]
Contingent consideration
Warrant liability
Derivative liability
Total
Level 2 [Member]
Contingent consideration
Warrant liability
Derivative liability
Total
Level 3 [Member]
Contingent consideration	268
Warrant liability		4,256
Derivative liability		9,246
Total	$ 268	$ 13,502