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Consolidated Statements of Stockholders' Equity (Deficit) (An Exploration Stage Company) (Unaudited) (Parenthetical)
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6 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Jun. 30, 2011
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Jun. 30, 2010
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Jun. 30, 2009
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Jun. 30, 2006
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Jun. 30, 2004
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Jun. 30, 2007
2004 Stock Option Plan
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Jun. 30, 2006
2004 Stock Option Plan
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Jun. 30, 2005
2004 Stock Option Plan
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Jun. 30, 2010
2006 Stock Option Plan
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Jun. 30, 2009
2006 Stock Option Plan
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Jun. 30, 2008
2006 Stock Option Plan
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Jun. 30, 2007
2006 Stock Option Plan
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Jun. 30, 2006
Normal Warrants
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Jun. 30, 2006
Special Warrants
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| Issuance of shares and warrants in lieu of debt repayment, shares | 175,398 | ||||||||||||||
| Issuance of shares on cashless exercise of options, shares | 694,306 | ||||||||||||||
| Sale of shares, shares | 33,875,000 | 9,960,351 | 10,000,000 | ||||||||||||
| Issuance of options under stock option plan, options | 140,000 | ||||||||||||||
| Amortization of options under stock option plan, options | 1,100,000 | 800,000 | 140,000 | 140,000 | 140,000 | 465,000 | 465,000 | 465,000 | 465,000 | ||||||
| Issuance of shares and options in lieu of debt repayment, options | 2,000,000 | ||||||||||||||
| Sale of warrants, warrants | 2,000,000 | 1,000,000 | |||||||||||||