Amount of marketable securities held in trust account.

No definition available.

Name:	RBZ_MarketableSecuritiesHeldInTrustAccount
Namespace Prefix:	RBZ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Marketable Securities Held in Trust Account (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Marketable securities held in trust account [Abstract]
Marketable securities held in trust account	$ 15,196