Schedule of Fair Value (Details) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Level 1
Earn-out liability	$ 0	$ 0
Level 2
Earn-out liability	0	0
Level 3
Earn-out liability	$ 236	$ 835

Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.

No definition available.

Name:	us-gaap_LiabilitiesFairValueDisclosureRecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant