Earnings (loss) per Share (Details Textual)	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings (Loss) Per Share (Textual) [Abstract]
Basic and diluted weighted average number of common shares outstanding	881,717,879	861,505,671	877,280,730	855,810,167

Number of basic and diluted shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

No definition available.

Name:	iaret_WeightedAverageNumberOfCommonSharesOutstandingBasicAndDiluted
Namespace Prefix:	iaret_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration