SUBSEQUENT EVENTS, FINTECH ACQUISITION CORP. II (FY) (Details)	1 Months Ended
Jan. 31, 2018 USD ($)
Subsequent Event [Member]
Trust account [Abstract]
Withdraw of interest earned on the trust account	$ 562,554

The withdrawal amount of interest earned on the funds held in the Trust Account by the Company to pay its franchise and income tax obligations.

No definition available.

Name:	imxi_WithdrawalOfInterestEarnedOnTheTrustAccount
Namespace Prefix:	imxi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration