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Employee Stock Compensation Plans - Stock Option Plan Activity (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |
Outstanding, beginning of year | 2,433,400 | 2,584,000
Weighted Average Exercise Price(Cdn$) | 2.27 | 2.23
Granted | 165,000 |
Weighted Average Exercise Price(Cdn$) | 1.49 |
Exercised |  | (150,600)
Weighted Average Exercise Price(Cdn$) |  | 1.60
Cancelled |  |
Weighted Average Exercise Price(Cdn$) |  |
Forfeited |  |
Weighted Average Exercise Price(Cdn$) |  |
Outstanding, end of year | 2,598,400 | 2,433,400
Weighted Average Exercise Price(Cdn$) | 2.22 | 2.27
Aggregate Intrinsic Value | $ 1,650 |
Exercisable, end of year | 1,958,400 | 1,271,150
Weighted Average Exercise Price(Cdn$) | 2.22 | 2.24
Aggregate Intrinsic Value | $ 413 |

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