Equity (Details) (USD $)
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0 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||||||
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Sep. 24, 2016
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Sep. 30, 2013
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Apr. 30, 2013
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Feb. 28, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Minimum [Member]
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Dec. 31, 2013
Maximum [Member]
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Jun. 30, 2013
Five Year Series II Warrants [Member]
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Dec. 31, 2013
Five Year Series II Warrants [Member]
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Jun. 30, 2013
Five Year Series II Warrants [Member]
Maximum [Member]
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Dec. 31, 2013
Three Year Series JJ Warrants [Member]
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Sep. 30, 2013
Three Year Series JJ Warrants [Member]
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Sep. 30, 2013
Three Year Series JJ Warrants [Member]
Minimum [Member]
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Sep. 30, 2013
Three Year Series JJ Warrants [Member]
Maximum [Member]
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Dec. 31, 2013
Series BB Warrants [Member]
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Dec. 31, 2011
Series Z Warrants [Member]
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Dec. 31, 2013
Series W Warrants [Member]
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Dec. 31, 2013
Series HH Warrants [Member]
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Jun. 30, 2013
Series HH Warrants [Member]
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Dec. 31, 2013
Fair Value, Measurements, Recurring [Member]
Significant Other Observable Inputs (Level 2) [Member]
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Sep. 30, 2013
Fair Value, Measurements, Recurring [Member]
Significant Other Observable Inputs (Level 2) [Member]
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Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
Significant Other Observable Inputs (Level 2) [Member]
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Sep. 30, 2013
Platinum Montaur Life Sciences Llc Credit Facility [Member]
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Dec. 31, 2013
Platinum Montaur Life Sciences Llc Credit Facility [Member]
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Mar. 31, 2013
Platinum Montaur Life Sciences Llc Credit Facility [Member]
Series X Warrants [Member]
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Dec. 31, 2013
Platinum Montaur Life Sciences Llc Credit Facility [Member]
Series X Warrants And Series Aa Warrants [Member]
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Jun. 30, 2013
Platinum Montaur Life Sciences Llc Credit Facility [Member]
Series X Warrants And Series Aa Warrants [Member]
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Jun. 30, 2013
General Electric Capital Corporation [Member]
Series HH Warrants [Member]
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Jun. 25, 2013
General Electric Capital Corporation [Member]
Series HH Warrants [Member]
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Jun. 30, 2013
Preferred Stock [Member]
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Dec. 31, 2013
Preferred Stock [Member]
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Jun. 30, 2013
Common Stock [Member]
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Dec. 31, 2013
Common Stock [Member]
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Class of Stock [Line Items] | |||||||||||||||||||||||||||||||||||
Issued stock in connection with public offerings, net of costs, shares | 10,563,381 | 2,100,000 | 1,542,389 | ||||||||||||||||||||||||||||||||
Shares Issued Price Per Share | $ 2.84 | $ 2.43 | $ 3.10 | ||||||||||||||||||||||||||||||||
Warrants, exercise price | 3.39 | 1.97 | 3.83 | 3.04 | 3.04 | 3.83 | 3.83 | 2.00 | 3.83 | 2.00 | 2.49 | 2.49 | 2.49 | ||||||||||||||||||||||
Class of Warrant or Right, Term | 5 years | ||||||||||||||||||||||||||||||||||
Derivative liabilities | $ 7,692,087 | $ 7,692,087 | $ 7,700,000 | $ 569,000 | |||||||||||||||||||||||||||||||
Warrants, weighted average exercise price | $ 3.39 | ||||||||||||||||||||||||||||||||||
Warrants exercised | 60,000 | 6,000,000 | 3,000,000 | ||||||||||||||||||||||||||||||||
Issued stock upon exercise of warrants, net, shares | 6,000,000 | 3,000,000 | |||||||||||||||||||||||||||||||||
Proceeds from Warrant Exercises | 1,920,000 | 1,380,000 | |||||||||||||||||||||||||||||||||
Warrants outstanding | 4,542,764 | 275,000 | 3,169,015 | 300,000 | 301,205 | ||||||||||||||||||||||||||||||
placement agent fees as a percentage of gross proceeds | 3.30% | ||||||||||||||||||||||||||||||||||
Conversion of Series B preferred stock to common stock, shares | 2,364.9 | 2,364.9 | |||||||||||||||||||||||||||||||||
Number of common shares underlying Series B Preferred Stock | 7,733,223 | 7,733,223 | |||||||||||||||||||||||||||||||||
Shares conversion, number of common stock equivalent to each preferred stock | 3,270 | 3,270 | |||||||||||||||||||||||||||||||||
Repayments of Notes Payable | 5,982,155 | 1,285,046 | 62,411 | 4,781,333 | 4,800,000 | ||||||||||||||||||||||||||||||
Proceeds from issuance of common stock | 30,000,000 | 41,303,750 | 2,724,189 | 7,198,373 | |||||||||||||||||||||||||||||||
Warrants, number of securities called by warrants | 275,000 | 3,169,015 | 2,100,000 | 3,800,000 | 301,205 | 301,205 | |||||||||||||||||||||||||||||
Warrants, expiration date | Sep. 24, 2016 | Jun. 25, 2018 | Sep. 24, 2016 | Jul. 07, 2015 | Jun. 25, 2023 | ||||||||||||||||||||||||||||||
Proceeds From Issuance Of Common Stock Net Of Issuance Costs | 28,800,000 | 4,800,000 | 4,500,000 | ||||||||||||||||||||||||||||||||
PlacementAgentFees | $ 999,000 | ||||||||||||||||||||||||||||||||||
Common stock reserved for future issuance | 34,146,916 |