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Affiliate transactions (Detail) (USD $)	9 Months Ended		46 Months Ended		3 Months Ended		9 Months Ended			9 Months Ended
Affiliate transactions (Detail) (USD $)	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Oct. 31, 2011	Jul. 31, 2012 AXIS Consultants Pty Ltd [Member]	Jul. 31, 2011 AXIS Consultants Pty Ltd [Member]	Jul. 31, 2012 AXIS Consultants Pty Ltd [Member]	Jul. 31, 2011 AXIS Consultants Pty Ltd [Member]	Oct. 31, 2011 AXIS Consultants Pty Ltd [Member]	Jul. 31, 2012 Managing Director - Laos [Member]
Related Party Transaction [Line Items]
Payable to affiliate	$ 6,280,901		$ 6,280,901	$ 4,174,304	$ 6,142,401		$ 6,142,401		$ 4,174,304	$ 138,500
Borrowings from affiliate	2,128,288	2,098,062	6,020,952				1,968,097			138,500
Interest charged by affiliate					$ 0	$ 0	$ 0	$ 0

Amount of receivables owed to an entity that is affiliated with the reporting entity by means of direct or indirect ownership, which are usually due after one year (or one business cycle, if longer).

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- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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