Accrued Expenses and Other Liabilities (Details Textual) (USD $)	12 Months Ended
Jan. 31, 2013	Jan. 31, 2012
Uncompleted Projects Revenue	$ 40,000	$ 308,000

Represents the remaining revenue which is associates to uncompleted project.

No definition available.

Name:	aim_UncompletedProjectsRevenue
Namespace Prefix:	aim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration