Accounting Policies (Detail) (Australia Tax Law [Member])	12 Months Ended
Oct. 31, 2013
Australia Tax Law [Member]
Significant Accounting Policies [Line Items]
Statutory income tax rate	30.00%
Limitation on foreign tax credits as a percentage of foreign source income	30.00%
Treaty limitation on tax rate applied to interest and royalties earned in the jurisdiction by a United States resident	10.00%

The maximum permitted ratio of foreign tax credits over foreign source income earned during the period that can be applied to reduce income taxes payable to a tax authority.

No definition available.

Name:	aurm_LimitationOnForeignTaxCreditsAsPercentageOfForeignSourceIncome
Namespace Prefix:	aurm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration