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Marketable Securities (Details) (USD $)
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6 Months Ended | 12 Months Ended |
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Jun. 30, 2013
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Dec. 31, 2012
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| Schedule of Available-for-sale Securities [Line Items] | ||
| Amortized cost | $ 249,846 | $ 249,846 |
| Gross unrealized gains | 1,503 | |
| Gross unrealized losses | (3,858) | |
| Estimated fair value | 245,988 | 251,349 |
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Exchange Traded Fund [Member]
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| Schedule of Available-for-sale Securities [Line Items] | ||
| Amortized cost | 249,846 | 249,846 |
| Gross unrealized gains | 1,503 | |
| Gross unrealized losses | (3,858) | |
| Estimated fair value | $ 245,988 | $ 251,349 |
| X | ||||||||||
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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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| X | ||||||||||
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- Definition
Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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