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Derivative Instruments - Derivative Instruments Gain Loss (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
(Loss) on derivatives not designated as hedging instruments under ASC 815    
Ely warrants $ (74) $ (179)
ILC warrants (4) 2
Kinross Collar    (2)
Kinross Calls 48 42
Total loss $ (30) $ (137)