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Business and Summary of Significant Accounting Policies - Investment in Kinross (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Accounting Policies [Abstract]    
Shares 670 850
Fair value    
Current assets $ 3,110 $ 4,361
Long term assets $ 3,402 $ 5,329