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Marketable Securities (Details) (USD $)
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12 Months Ended | 141 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
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| Marketable Securities [Abstract] | |||
| Cost Basis, Securities available-for-sale | $ 100,000 | $ 1,950,000 | $ 100,000 |
| Fair Value, Securities available-for-sale | 100,000 | 1,950,000 | 100,000 |
| Cost Basis, Maturity | 100,000 | 100,000 | |
| Fair Value, Maturity | 100,000 | 100,000 | |
| Proceeds from sales of marketable securities | 1,850,000 | 8,500,000 | 21,010,659 |
| Realized losses on marketable securities | $ 0 | $ 3,960 | $ 13,301 |
| X | ||||||||||
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- Definition
Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of available-for-sale debt securities at cost, net of adjustments, maturing after the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of available-for-sale debt securities at fair value maturing after the tenth fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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