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Derivative Instruments (Details) (USD $)
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0 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | |||||||||||
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Sep. 24, 2016
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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, 2011
Series CC Warrants [Member]
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Dec. 31, 2011
Series DD Warrants [Member]
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Dec. 31, 2011
Series Z Warrants [Member]
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Mar. 31, 2011
Series CC and Series DD Warrants [Member]
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Dec. 31, 2011
Series CC and Series DD Warrants [Member]
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Dec. 31, 2011
Series GG Warrants [Member]
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Mar. 31, 2011
Series V Warrants [Member]
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Dec. 31, 2012
Series V Warrants [Member]
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Dec. 31, 2011
Series V Warrants [Member]
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Dec. 31, 2011
Series CC and DD 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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| Class of Warrant or Right [Line Items] | |||||||||||||||||
| Warrants, exercise price | 3.39 | 2.10 | |||||||||||||||
| Warrants, number of securities called by warrants | 333,333 | ||||||||||||||||
| Warrants outstanding | 4,542,764 | ||||||||||||||||
| Warrants, expiration date | Sep. 24, 2016 | Dec. 29, 2016 | |||||||||||||||
| Reclassification to additional paid in capital | $ 164,000 | $ 549,000 | $ 1,100,000 | $ 484,000 | $ 1,400,000 | $ 52,000 | $ 96,000 | ||||||||||
| Derivative liabilities | 7,692,087 | 7,692,087 | 7,700,000 | 569,000 | |||||||||||||
| Warrants exercised | 60,000 | 20,000 | 810,000 | ||||||||||||||
| Issued stock upon exercise of warrants, shares | 1,578,948 | 1,578,948 | 46,902 | 20,000 | 810,000 | ||||||||||||
| Issued stock upon exercise of warrants, gross proceeds | 3,331,580 | 3,331,580 | 6,000 | 256,000 | |||||||||||||
| Stock Issued During Period, Shares, Issued for Noncash Consideration | 300,000 | ||||||||||||||||
| Change in derivative liabilities | 6,000 | (32,000) | 952,000 | 79,000 | 38,000 | 119,000 | 752,000 | ||||||||||
| Estimated fair value of derivative liabilities | $ 520,478 | ||||||||||||||||