Acquisition of ECU Silver Mining Inc. (Details) (ECU Silver Mining Inc.)	0 Months Ended		1 Months Ended			1 Months Ended
	Sep. 02, 2011 USD ($)	Sep. 02, 2011 CAD	Sep. 30, 2011 USD ($)	Sep. 02, 2011 Warrants expiring on December 9, 2011 CAD	Sep. 02, 2011 Warrants expiring on February 20, 2014 CAD	Sep. 30, 2011 Replacement Option CAD
Acquisition of ECU Silver Mining Inc.
Number of shares of common stock issued for each common share of acquiree	0.05	0.05
Cash paid for each share of acquiree (in Cdn per share)		0.000394
Number of shares of common stock issued to acquiree	16,004,111	16,004,111
Cash payment to acquiree	$ 129,000	126,112
Number of shares that can be purchased on exercise of warrants				386,363	1,831,929
Exercise price of warrants (in Cdn per share)				18.00	19.00
Options issued (in shares)						653,000
Exercise price of options, low end of range (in Cdn per share)						16.00
Exercise price of options, high end of range (in Cdn per share)						60.00
Transaction costs for financial advisory, legal, accounting, tax and consulting services			4,700,000
Severance related payments			$ 2,500,000