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Consolidated Statements of Operations (Parenthetical) (USD $)	194 Months Ended
	Sep. 30, 2011
Gain on sale of rights to the Matupa agreement, expenses	$ 138,065

X

- Definition

Sale Of Intangible Asset Expense

+ Details

Name:	arxg_SaleOfIntangibleAssetExpense
Namespace Prefix:	arxg
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration