Business Combination (Details) $ in Thousands	Dec. 19, 2018 USD ($)
Business Combination
Cash and cash equivalent	$ 3
Current assets	4
Accounts payable	$ (7,173)

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

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