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Business and Significant Accounting Policies - Investment in Kinross (Details) (USD $) | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Accounting Policies [Abstract] |  |
Shares | 610,000 | 670,000
Fair value |  |
Current assets | $ 1,326,000 | $ 3,110,000
Long term assets | $ 1,785,000 | $ 3,402,000

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