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Additional Paid-In-Capital | 12 Months Ended
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Dec. 31, 2011
Additional Paid in Capital Disclosure [Abstract] |
Additional Paid-In-Capital | 12. Additional Paid-In-Capital
|  | For the years ended December 31, |
|  | 2011 |  |  | 2010 |
Balance, beginning of year |  | $ | 7,565 |  |  | $ | 6,862 |
Cancelled options |  |  | - |  |  |  | 4 |
Expired options |  |  | 828 |  |  |  | 699 |
Expired warrants - Note 10 |  |  | 336 |  |  |  | - |
Balance, end of year |  | $ | 8,729 |  |  | $ | 7,565 |

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- Definition The entire disclosure of the components pertaining to additional paid in capital related to options and warrants. + References No definition available. + Details
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