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Subsequent Events (Details Textual) (USD $)
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9 Months Ended | 1 Months Ended | ||
|---|---|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
Series B Warrants [Member]
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Oct. 31, 2012
Subsequent Event [Member]
Series B Warrants [Member]
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| Subsequent Event (Textual) [Abstract] | ||||
| Series B warrants to purchase common stock | 1,133,824 | 4,627,941 | ||
| Gross proceeds | $ 963,000 | $ 3,934,000 | ||