Equity (Details Textual) (USD $)
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3 Months Ended | 9 Months Ended | 12 Months Ended | 127 Months Ended | 151 Months Ended | 160 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 127 Months Ended | 151 Months Ended | 12 Months Ended | 1 Months Ended | |||||||||||||||||||||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2007
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Dec. 31, 2010
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Dec. 31, 2012
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Sep. 30, 2013
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Sep. 30, 2013
Warrant [Member]
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Sep. 30, 2012
Warrant [Member]
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Sep. 30, 2013
A Warrant [Member]
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Sep. 30, 2013
Stock Options [Member]
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Sep. 30, 2012
Stock Options [Member]
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May 31, 2013
Stock Options [Member]
Former Director And Consultants [Member]
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Sep. 30, 2013
2013 Stock Plan [Member]
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Sep. 30, 2013
2013 Stock Plan [Member]
Employees Directors And Consultants [Member]
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Sep. 30, 2013
2013 Equity Incentive Plan [Member]
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Sep. 30, 2013
2013 Equity Incentive Plan [Member]
Employees Directors And Consultants [Member]
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Dec. 31, 2011
Management Firm [Member]
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Dec. 31, 2012
Common Stock [Member]
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Dec. 31, 2011
Common Stock [Member]
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Dec. 31, 2007
Common Stock [Member]
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Dec. 31, 2010
Common Stock [Member]
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Dec. 31, 2012
Common Stock [Member]
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Dec. 31, 2012
Common Stock [Member]
A Warrant [Member]
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Dec. 31, 2012
Common Stock [Member]
B Warrants [Member]
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Dec. 31, 2012
Common Stock [Member]
Management Firm [Member]
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Dec. 31, 2011
Common Stock [Member]
Management Firm [Member]
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Dec. 31, 2012
Common Stock [Member]
Laidlaw & Co [Member]
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Dec. 31, 2011
Common Stock [Member]
Laidlaw & Co [Member]
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Dec. 31, 2012
Common Stock [Member]
Laidlaw & Co [Member]
Placement Agent [Member]
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Dec. 31, 2011
Common Stock [Member]
Laidlaw & Co [Member]
Placement Agent [Member]
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Dec. 19, 2012
Series E Preferred Stock
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Equity (Textual) | |||||||||||||||||||||||||||||||||||
Common stock issued for services, Shares | 66,402 | 66,402 | |||||||||||||||||||||||||||||||||
Common stock issued for services | $ 398,810 | $ 398,810 | $ 398,810 | ||||||||||||||||||||||||||||||||
Warrants issued to purchase common stock offering | 242,190 | 19,972,785 | |||||||||||||||||||||||||||||||||
Raised offering of common stock | 5,151,450 | 759,300 | 6,184,967 | 42,711,791 | |||||||||||||||||||||||||||||||
Common stock issued in stock offering, shares | 3,118,988 | 968,759 | 7,891,141 | 5,707,259 | |||||||||||||||||||||||||||||||
Sale of common stock, net offering | 4,469,776 | 660,164 | 5,379,367 | ||||||||||||||||||||||||||||||||
Placement agent cash fees | 618,174 | 91,116 | 742,196 | ||||||||||||||||||||||||||||||||
Placement agent commission | 515,145 | 75,930 | 618,497 | ||||||||||||||||||||||||||||||||
Placement agent expense reimbursement | 103,029 | 15,186 | 123,699 | ||||||||||||||||||||||||||||||||
Warrants issued to purchase common stock, shares | 467,845 | 3,118,988 | 1,559,505 | 1,716,340 | 1,974,774 | 121,095 | 986,393 | 588,940 | 1,129,925 | ||||||||||||||||||||||||||
Exercise price of warrant | $ 0.78 | $ 1.65 | $ 2.48 | $ 0.01 | $ 0.01 | $ 0.78 | $ 0.78 | $ 0.78 | $ 0.78 | $ 0.26 | |||||||||||||||||||||||||
Warrants expiration term | 5 years | 120 days | 5 years | 7 years | 7 years | ||||||||||||||||||||||||||||||
Warrants issued to purchase common stock, fair value | 499,707 | 1,957,754 | 2,153,442 | 159,044 | 188,579 | ||||||||||||||||||||||||||||||
Placement agent services fees | 60,000 | 8,020 | 60,904 | ||||||||||||||||||||||||||||||||
Bank escrow fee | 3,500 | 2,500 | |||||||||||||||||||||||||||||||||
Common stock issued by conversion of note | 1,252,550 | ||||||||||||||||||||||||||||||||||
Accrued management fees | 96,744 | ||||||||||||||||||||||||||||||||||
Common stock issued to former shareholder under share exchange agreement, Shares | 400,000 | ||||||||||||||||||||||||||||||||||
Common stock issued to former shareholders under share exchange agreement, Shares | 1,986,566 | ||||||||||||||||||||||||||||||||||
Unrecognized share based compensation expense | 1,014,474 | ||||||||||||||||||||||||||||||||||
Recorded option expense | 95,971 | 72,100 | 188,400 | 240,400 | |||||||||||||||||||||||||||||||
Amount Paid For Cancellation Of Shares By Company | 25,000 | ||||||||||||||||||||||||||||||||||
Shares Purchased After Cancelation Of Options | 49,950 | ||||||||||||||||||||||||||||||||||
Exercise Price | $ 1.65 | $ 1.50 | |||||||||||||||||||||||||||||||||
Proceeds from Warrant Exercises | 3,463,641 | ||||||||||||||||||||||||||||||||||
Expiration date | Sep. 09, 2023 | Sep. 09, 2023 | |||||||||||||||||||||||||||||||||
Common stock available for grant | 2,750,000 | 450,000 | |||||||||||||||||||||||||||||||||
Stock-based compensation expense | $ 284,371 | $ 312,500 | $ 2,223,926 | $ 2,173,377 | $ 6,052,036 | $ 6,336,407 | $ 284,371 | $ 168,000 | $ 284,371 | $ 168,000 |