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Net Loss Per Common Share (Details Textual)
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3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2013
Options to purchase common stock [Member]
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Sep. 30, 2012
Options to purchase common stock [Member]
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Sep. 30, 2013
Options to purchase common stock [Member]
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Sep. 30, 2012
Options to purchase common stock [Member]
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Sep. 30, 2013
Unvested restricted stock awards [Member]
|
Sep. 30, 2012
Unvested restricted stock awards [Member]
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Sep. 30, 2013
Unvested restricted stock awards [Member]
|
Sep. 30, 2012
Unvested restricted stock awards [Member]
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Sep. 30, 2013
Common stock warrants [Member]
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Sep. 30, 2012
Common stock warrants [Member]
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Sep. 30, 2013
Common stock warrants [Member]
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Sep. 30, 2012
Common stock warrants [Member]
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Dec. 31, 2013
Stock Option And Warrants [Member]
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Dec. 31, 2012
Stock Option And Warrants [Member]
|
|
| Net Loss Per Common Share (Textual) | ||||||||||||||
| Shares issuable excluded from computation of diluted net loss per share | 4,493,065 | 1,889,839 | 4,493,065 | 4,670,705 | 10,805,000 | 2,545,773 | 10,805,000 | 5,150,000 | 2,342,500 | 2,342,500 | 2,342,500 | 2,342,500 | 6,472,290 | 6,867,705 |