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Stockholders' Equity (Details Textual) (USD $)
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3 Months Ended | 12 Months Ended | 2 Months Ended | 1 Months Ended | 3 Months Ended | |||
|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2014
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Mar. 31, 2013
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Mar. 31, 2013
Series A Warrants [Member]
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Dec. 31, 2013
Series A Warrants [Member]
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Mar. 31, 2013
Deerfield Warrant [Member]
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Apr. 30, 2013
Oxford [Member]
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Nov. 30, 2013
Stock Purchase And Option Agreement With Affiliate [Member]
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Mar. 31, 2014
Common Stock [Member]
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| Class of Warrant or Right [Line Items] | ||||||||
| Stock Issued During Period, Shares, New Issues | 6,250,000 | 6,250,000 | ||||||
| Proceeds from Issuance of Common Stock | $ 5,000,000 | |||||||
| Stock Purchase Price Per Share | $ 0.80 | |||||||
| Conversion of Stock, Shares Issued | 144,499 | |||||||
| Class of Warrant or Right Exercised During Period | 1,109,010 | 1,109,010 | 6,000,000 | 287,356 | ||||
| Proceeds from Warrant Exercises | 0 | 1,275,000 | 1,275,000 | 1,275,000 | ||||
| Debt Instrument, Increase (Decrease), Net, Total | $ 7,500,000 | |||||||