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Employee Stock Compensation Plans - Employee Stock - Stock Option Activity (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Outstanding, beginning of year 2,598,400 2,433,400
Weighted Average Exercise Price (Cdn$), beginning of year $ 2.22 $ 2.27
Granted    165,000
Granted Weighted Average Exercise Price (Cdn$)    1.49
Exercised 117,000   
Exercised Weighted Average Exercise Price (Cdn$) 1.55   
Cancelled      
Cancelled Weighted Average Exercise Price (Cdn$)      
Forfeited (61,900)   
Forfeited Weighted Average Exercise Price (Cdn$) 2.40   
Outstanding, end of year 2,419,000 2,598,400
Weighted Average Exercise Price (Cdn$), end of year 2.25 2.22
Aggregate Intrinsic Value, end of year (1) $ 1,650,000 $ 1,650,000
Exercisable, end of year 2,336,500 1,958,400
Exercisable, end of year, Weighted Average Exercise Price (Cdn$) 2.25 2.22
Aggregate Intrinsic Value, exercisable (1) $ 413,000 $ 413,000