Segment Information (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Information (Textual) [Abstract]
Revenue generated in U K	$ 3.5	$ 2.4	$ 5.9	$ 4.9

Disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries.

No definition available.

Name:	icge_DisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountriesOne
Namespace Prefix:	icge_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration