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Asset Retirement Obligations (Details) (USD $)	6 Months Ended	12 Months Ended
Asset Retirement Obligations (Details) (USD $)	Mar. 31, 2013	Sep. 30, 2012
Schedule of changes to the asset retirement obligation
Balance, beginning of period	$ 425,700	$ 387,368
Liabilities incurred
Effect of foreign exchange	(14,424)	22,038
Disposal
Accretion expense	7,836	16,294
Balance, end of period	$ 419,112	$ 425,700

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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