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Stockholders' Equity (Stock Issued in Private Placements) (Details) (USD $)
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9 Months Ended | |
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Sep. 30, 2012
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Feb. 13, 2012
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Investment Units sold in a Private Placement, Investors' Units [Member]
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| Capital Unit [Line Items] | ||
| Sale of investment units, aggregate offering price | $ 3,000,000 | |
| Sale of investment units, number of units | 30 | |
| Sale of investment units, price per unit | $ 100,000.0 | |
| Sale of investment units, number shares issued per unit | $ 32,258.0 | |
| Sale of investment units, shares issuable per warrant | 16,129 | |
| Sale of investment units, warrant exercise price per share | 3.1 | |
| Sale of investment units, placement agent fee paid | 210,000 | |
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Investment Units sold in a Private Placement, Placement Agent [Member]
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| Capital Unit [Line Items] | ||
| Sale of investment units, shares issuable per warrant | 58,064 | |
| Sale of investment units, warrant exercise price per share | 3.1 | |
| Sale of investment units, value of issued warrant | $ 177,000 |