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Equity (Details Textual) (USD $)
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0 Months Ended | 3 Months Ended | 12 Months Ended | 166 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | |||||||||||||||||
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Mar. 24, 2014
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Mar. 31, 2014
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Mar. 31, 2013
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Dec. 31, 2013
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Mar. 31, 2014
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Mar. 31, 2014
Placement Agent [Member]
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Mar. 31, 2014
Employee Stock Option [Member]
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Mar. 31, 2014
Employee Stock Option [Member]
Minimum [Member]
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Mar. 31, 2014
Employee Stock Option [Member]
Maximum [Member]
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Mar. 31, 2014
Equity Incentive Plan [Member]
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Dec. 31, 2013
Employees Directors And Consultants [Member]
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Mar. 31, 2014
Investor [Member]
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Mar. 31, 2014
Consultant [Member]
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Jan. 31, 2014
Private Placement [Member]
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Jan. 31, 2014
Warrant [Member]
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Mar. 31, 2014
Warrant [Member]
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Mar. 31, 2013
Warrant [Member]
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Jan. 31, 2014
Common Stock [Member]
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Mar. 31, 2014
Common Stock [Member]
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Jan. 31, 2014
Common Stock [Member]
Laidlaw and Co [Member]
Placement Agent [Member]
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Mar. 31, 2014
Restricted Stock [Member]
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Mar. 31, 2013
Restricted Stock [Member]
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| Equity Textual [Abstract] | ||||||||||||||||||||||||||||||
| Proceeds from Issuance of Warrants | $ 3,300,000 | |||||||||||||||||||||||||||||
| Placement agent cash fees | 395,000 | |||||||||||||||||||||||||||||
| Placement Agent Attorney Fees | 40,000 | |||||||||||||||||||||||||||||
| Common stock sold, Shares | 551,810 | |||||||||||||||||||||||||||||
| Sale of Stock, Price Per Share | $ 9.00 | $ 6.00 | ||||||||||||||||||||||||||||
| Warrants granted | 137,952 | |||||||||||||||||||||||||||||
| Fair value of warrants determined utilizing the Black-Scholes option pricing model | 600,000 | 200,000 | ||||||||||||||||||||||||||||
| Debt Instrument, Term | 10 years | |||||||||||||||||||||||||||||
| Exercise price of warrants | 5.55 | 5.55 | 9.00 | |||||||||||||||||||||||||||
| Fair Value Assumptions, Risk Free Interest Rate | 1.32% | [1] | 1.27% | [1] | 1.64% | |||||||||||||||||||||||||
| Fair Value Assumptions, Expected Volatility Rate | 71.00% | [2] | 73.00% | [2] | 87.76% | 88.00% | ||||||||||||||||||||||||
| Fair Value Assumptions, Expected Dividend Rate | [3] | [3] | 0.00% | 0.00% | ||||||||||||||||||||||||||
| Fair Value Assumptions, Expected Term | 6 months | 6 months | 6 years | 5 years | ||||||||||||||||||||||||||
| Registration Statement Description |
This Registration Statement contained two prospectuses: (i) a base prospectus which covers the offering, issuance and sale by the Company of up to $200,000,000 of its common stock, preferred stock, warrants and/or units; and (ii) a sales agreement prospectus covering the offering, issuance and sale by us of up to a maximum aggregate offering price of $75,000,000 of its common stock that may be issued and sold under a sales agreement (the “Sales Agreement”) with MLV & Co. LLC (“MLV”) dated March 24, 2014.
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| Maximum Offering Price | 75,000,000 | |||||||||||||||||||||||||||||
| Common stock pursuant to sales agreement |
The Company will pay MLV in cash, upon the sale of common stock pursuant to the Sales Agreement, an amount equal to 3.0% of the gross proceeds from the sale of common stock. To date 500 shares have been sold under the Sales Agreement with MLV.
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| Warrants Issued To Purchase Common Stock | 68,976 | 137,952 | 68,976 | |||||||||||||||||||||||||||
| Number of restricted stock granted | 180,104 | 312,500 | 100,000 | |||||||||||||||||||||||||||
| Description restricted stock | Of the total shares of restricted stock, 22,500 shares vest 1 year from the grant date, 149,167 shares have a vesting period of 4 years and 150,000 shares vest at date of grant. The remaining restricted shares granted are performance based and vest over time. | |||||||||||||||||||||||||||||
| Additional number of restricted stock granted | 325,167 | |||||||||||||||||||||||||||||
| Unrecognized compensation expense | 5,399,710 | 5,399,710 | 1,391,318 | |||||||||||||||||||||||||||
| Expense related to restricted stock granted | 281,404 | 94,200 | 58,934 | 0 | 1,410,588 | 0 | ||||||||||||||||||||||||
| Share-based compensation term | 10 years | |||||||||||||||||||||||||||||
| Share-based Compensation vested period | 4 years | |||||||||||||||||||||||||||||
| Fair value of stock option | 1,700,000 | |||||||||||||||||||||||||||||
| Expected discount rate | 1.88% | 2.07% | ||||||||||||||||||||||||||||
| Warrants Exercised By Warrant Holders | 299,885 | |||||||||||||||||||||||||||||
| Common Stock, Shares, Issued | 25,562,346 | 24,565,447 | 25,562,346 | 253,330 | ||||||||||||||||||||||||||
| Proceeds from Issuance of Common Stock | 23,709 | |||||||||||||||||||||||||||||
| Number of stock option granted | 291,500 | 180,104 | 312,500 | 100,000 | ||||||||||||||||||||||||||
| Stock option exercise prices | $ 0.78 | $ 5.55 | $ 8.19 | |||||||||||||||||||||||||||
| Proceeds from the exercise of options | $ 5,220 | $ 18,273 | $ 5,220 | |||||||||||||||||||||||||||
| Number of option exercised | 11,655 | |||||||||||||||||||||||||||||
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