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Capital Stock (Tables) | 6 Months Ended
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Jun. 30, 2012
Capital Stock [Abstract] |
Common shares issued and outstanding | Common shares issued and outstanding
|  | Number of shares issued |
As of December 31, 2011 |  |  | 71,503,883 |
Exercises of compensation options |  |  | 225,000 |
Exercises of compensation warrants |  |  | 478,261 |
As of June 30, 2012 |  |  | 72,207,144 |

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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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