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Derivative Instruments - Derivative Instruments Gain Loss Kinross Covered Call Options Table 2 (Details) (USD $) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |  |  |
(Gain) loss on Kinross $7 February 2014 call | $ (40,000) |  | $ (40,000) |
(Gain) loss on Kinross $8 February 2014 call | (24,000) |  | (24,000) |
(Gain) loss on Kinross $1 February 2013 call |  |  | (3,000) | (3,000)
Total Kinross Calls | (64,000) |  | (67,000) | 3,000
(Gain) loss on Ely & ILC warrants |  | 22,000 |  | 73,000
Total (gain) loss on derivative instruments | $ (64,000) | $ 22,000 | $ (67,000) | $ 76,000

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