Summary of Material Accounting Policies - Schedule of Estimated Useful Life (Details)	12 Months Ended
	Sep. 30, 2008
Buildings and Facilities [Member] \| Bottom of range [Member]
Schedule of Estimated Useful Life [Line Items]
Estimated useful life	10 years
Buildings and Facilities [Member] \| Top of Range [Member]
Schedule of Estimated Useful Life [Line Items]
Estimated useful life	30 years
Computer Equipment [Member]
Schedule of Estimated Useful Life [Line Items]
Estimated useful life	3 years
Exploration Equipment and Structures [Member] \| Bottom of range [Member]
Schedule of Estimated Useful Life [Line Items]
Estimated useful life	3 years
Exploration Equipment and Structures [Member] \| Top of Range [Member]
Schedule of Estimated Useful Life [Line Items]
Estimated useful life	10 years
Leasehold Improvement [Member] \| Bottom of range [Member]
Schedule of Estimated Useful Life [Line Items]
Estimated useful life	3 years
Leasehold Improvement [Member] \| Top of Range [Member]
Schedule of Estimated Useful Life [Line Items]
Estimated useful life	4 years