Mineral Properties and Exploration Expenses - Additional Information (Detail)	1 Months Ended	9 Months Ended				1 Months Ended			1 Months Ended
	Jun. 30, 2011 CAD	Sep. 30, 2012	Sep. 30, 2011 USD ($)	Sep. 30, 2012 Breakwater Resources Limited CAD	Jun. 08, 2011 Fostung Tungsten Property Hectare	Jun. 30, 2011 Fostung Tungsten Property Fostung Resources Limited CAD	Jun. 07, 2011 Fostung Tungsten Property Fostung Resources Limited	Jun. 08, 2011 Fostung Tungsten Property Mining Lease 108592	Jun. 30, 2011 Fostung Tungsten Property Mining Lease 105604	Jun. 08, 2011 Fostung Tungsten Property Mining Lease 105604
Significant Acquisitions and Disposals [Line Items]
Acquisition of mineral properties	500,000		$ 484,100
Acquisition of mineral properties, percentage interest acquired					100.00%
Acquisition of mineral properties, number of mining claim blocks					2		4
Acquisition of mineral properties, number of claims					30		26	9		21
Acquisition of mineral properties, area					485
Mining Lease expiration date						Jun. 07, 2013			Jun. 30, 2011
Mining Lease, extension period		3 years
Mining Lease, expiration year		2014
Lease Expiration Extention Date									Oct. 31, 2032
Production bonus payable, amount				500,000
Production bonus payable, payment period				30 days
Percentage of net smelter return royalty payable				1.00%
Aggregate amount of work required to renew the four claims						10,400