Stock Options and Warrants - Additional Information (Detail)
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3 Months Ended |
6 Months Ended |
12 Months Ended |
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Jun. 23, 2015
$ / shares
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Nov. 30, 2015
USD ($)
$ / shares
shares
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Nov. 30, 2014
USD ($)
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Nov. 30, 2015
USD ($)
$ / shares
shares
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Nov. 30, 2014
USD ($)
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May. 31, 2015
USD ($)
Tranche
$ / shares
shares
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May. 31, 2014
USD ($)
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Jun. 11, 2015
$ / shares
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Feb. 28, 2015
shares
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Oct. 23, 2013
$ / shares
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Exercise price of warrants, per share | $ / shares |
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$ 1.02
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| Interest expense associated with conversion and exercise inducement | $ |
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$ 866,713
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$ 353,333
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$ 1,624,324
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$ 353,333
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$ 1,526,254
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$ 193,160
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| Cash proceeds from warrant exercises | $ |
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777,333
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1,141,435
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50,000
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| Direct costs associated with the convertible notes | $ |
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$ 708,000
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120,000
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| Minimum |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Exercise price of warrants, per share | $ / shares |
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$ 0.75
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| Maximum |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Exercise price of warrants, per share | $ / shares |
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2.00
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| Alpha Venture Capital Partners, L.P. |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Exercisable warrants, expire period |
5 years
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| Exercise price of warrants, per share | $ / shares |
$ 0.675
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$ 0.50
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| Term of warrants |
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5 years
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| Alpha Venture Capital Partners, L.P. | Warrants Expire on December 31, 2019 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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250,000
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| Alpha Venture Capital Partners, L.P. | Warrants Exercisable on February 28, 2020 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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75,000
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| Third Party Consulting Firm and Scientific Advisor |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Exercisable warrants, vesting percentage |
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50.00%
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| Exercisable warrants, expire period |
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5 years
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| Shares of Common Stock issued upon exercise |
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150,000
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| Exercise price of warrants, per share | $ / shares |
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$ 0.83
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| Warrants, termination date |
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Dec. 08, 2019
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| Number of tranches for warrant vesting | Tranche |
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3
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| Warrants vested in each trance |
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50,000
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| Third Party Consulting Firm and Scientific Advisor | Tranche 1 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants, exercisable date |
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Mar. 31, 2015
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| Third Party Consulting Firm and Scientific Advisor | Tranche 2 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants, exercisable date |
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Sep. 30, 2015
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| Third Party Consulting Firm and Scientific Advisor | Tranche 3 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants, exercisable date |
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Mar. 31, 2016
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| Scientific advisor |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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100,000
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| Exercise price of warrants, per share | $ / shares |
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$ 1.15
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| Warrants, termination date |
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Dec. 31, 2019
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| Scientific advisor | Tranche 1 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants, exercisable date |
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Apr. 30, 2015
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| Warrants vested and become exercisable |
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33,334
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| Scientific advisor | Tranche 2 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants, exercisable date |
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Aug. 31, 2015
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| Warrants vested and become exercisable |
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33,333
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| Scientific advisor | Tranche 3 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Warrants, exercisable date |
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Dec. 31, 2015
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| Warrants vested and become exercisable |
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33,333
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| Private Equity Offering |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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11,724,092
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11,724,092
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| Exercise price of warrants, per share | $ / shares |
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$ 0.75
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$ 0.75
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$ 0.75
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$ 0.75
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| Term of warrants |
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5 years
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| Warrant covering common stock shares purchased, percentage |
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50.00%
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| Common stock, par value | $ / shares |
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| Private Equity Offering | Investor Warrants |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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10,344,092
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10,344,092
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| Private Equity Offering | Alpha Venture Capital Partners, L.P. |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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1,000,000
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1,000,000
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| Private Equity Offering | Placement Agent |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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1,716,643
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1,716,643
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| Exercise price of warrants, per share | $ / shares |
|
$ 0.75
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$ 0.75
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| Term of warrants |
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5 years
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| Short-Term Convertible Notes |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Exercise price of warrants, per share | $ / shares |
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$ 0.75
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| Term of warrants |
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5 years
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| Face amount of notes | $ |
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$ 7,531,050
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| Short-Term Convertible Notes | Investor |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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1,061,586
|
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| Face amount of notes | $ |
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$ 4,000,000
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| Short-Term Convertible Notes | Private Equity Offering |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
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|
530,802
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| Exercise price of warrants, per share | $ / shares |
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$ 0.75
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| Term of warrants |
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|
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5 years
|
|
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| Direct costs associated with the convertible notes | $ |
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$ 285,000
|
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| Convertible Note at $0.75 per Share |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
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| Shares of Common Stock issued upon exercise |
|
|
|
|
|
1,938,974
|
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| Interest expense associated with conversion and exercise inducement | $ |
|
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|
$ 555,000
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| Cash proceeds from warrant exercises | $ |
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$ 1,066,435
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| Convertible Note at $0.75 per Share | Reduction in Conversion Price |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Exercise price of warrants, per share | $ / shares |
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$ 0.55
|
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| Convertible Note at $0.75 per Share | Additional |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
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| Cash proceeds from warrant exercises | $ |
|
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$ 75,000
|
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| Stock warrants exercised | $ |
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$ 100,000
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| Warrants exercise price per share | $ / shares |
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$ 0.75
|
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| Consultant | Private Equity Offering |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of Common Stock issued upon exercise |
|
380,000
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|
380,000
|
|
|
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| Black Scholes Valuation Model | Private Equity Offering | Placement Agent |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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|
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| Vested restricted stock awards |
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776,000
|
|
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| 2012 Equity Incentive Plan |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock options grant date fair value | $ / shares |
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|
$ 0.42
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| Shares of Common Stock issued upon exercise |
|
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|
|
|
6,310,677
|
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| Exercise price of warrants, per share | $ / shares |
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|
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|
$ 1.00
|
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| Warrants, exercisable date |
|
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|
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|
Oct. 31, 2015
|
|
|
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| Interest expense associated with conversion and exercise inducement | $ |
|
|
|
|
|
$ 970,000
|
|
|
|
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| Compensation expense related to stock options and warrants | $ |
|
$ 238,700
|
150,000
|
$ 590,700
|
287,800
|
631,000
|
928,400
|
|
|
|
| Grant date fair value of options | $ |
|
123,000
|
$ 227,000
|
324,000
|
$ 309,000
|
886,000
|
$ 2,274,000
|
|
|
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| Unrecognized compensation costs | $ |
|
$ 1,391,000
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|
$ 1,391,000
|
|
$ 527,000
|
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| Weighted average period over which unrecognized compensation costs is expected to be recognized |
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|
1 year 5 months 9 days
|
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1 year 1 month 17 days
|
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| 2012 Equity Incentive Plan | Exercisable through December 2015 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
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| Shares of Common Stock issued upon exercise |
|
|
|
|
|
186,667
|
|
|
|
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| 2012 Equity Incentive Plan | Exercisable until January 15, 2016 |
|
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|
|
|
|
|
|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Shares of Common Stock issued upon exercise |
|
|
|
|
|
160,000
|
|
|
|
|
| 2012 Equity Incentive Plan | Consultant One |
|
|
|
|
|
|
|
|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
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|
|
|
|
|
|
|
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| Exercisable warrants, expire period |
|
|
|
5 years
|
|
|
|
|
|
|
| Shares of Common Stock issued upon exercise |
|
170,000
|
|
170,000
|
|
|
|
|
|
|
| Exercise price of warrants, per share | $ / shares |
|
$ 1.02
|
|
$ 1.02
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Third party consultant Two |
|
|
|
|
|
|
|
|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Exercisable warrants, expire period |
|
|
|
5 years
|
|
|
|
|
|
|
| Shares of Common Stock issued upon exercise |
|
10,000
|
|
10,000
|
|
150,000
|
|
|
|
|
| Exercise price of warrants, per share | $ / shares |
|
$ 1.02
|
|
$ 1.02
|
|
$ 1.05
|
|
|
|
|
| 2012 Equity Incentive Plan | Third Party Consulting Firm and Scientific Advisor |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Shares of Common Stock issued upon exercise |
|
200,000
|
|
200,000
|
|
150,000
|
|
|
|
|
| Exercise price of warrants, per share | $ / shares |
|
$ 1.02
|
|
$ 1.02
|
|
|
|
|
|
|
| Warrants, termination date |
|
|
|
Jul. 13, 2025
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Third Party Consulting Firm and Scientific Advisor | Tranche 1 |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Warrants, exercisable date |
|
|
|
Jan. 01, 2016
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Third Party Consulting Firm and Scientific Advisor | Tranche 2 |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Warrants, exercisable date |
|
|
|
Jan. 01, 2017
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Third Party Consulting Firm and Scientific Advisor | Yearly Vesting |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Exercisable warrants, vesting percentage |
|
|
|
50.00%
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Third Party Consulting Firm and Scientific Advisor | Consultant One |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Exercise price of warrants, per share | $ / shares |
|
|
|
|
|
$ 1.15
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Shares available for future stock-based grants |
|
404,930
|
|
404,930
|
|
2,754,930
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Before Amendment |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Shares available for future issuance |
|
|
|
|
|
|
|
|
3,000,000
|
|
| 2012 Equity Incentive Plan | Stock Options | After amendment |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Shares available for future issuance |
|
|
|
|
|
|
|
|
5,000,000
|
|
| 2012 Equity Incentive Plan | Stock Options | Directors and Employee |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options granted, shares |
|
|
|
|
|
483,973
|
|
|
|
|
| Stock options grant date fair value | $ / shares |
|
|
|
|
|
$ 0.43
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Directors and Employee | Minimum |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options granted, exercise price | $ / shares |
|
|
|
|
|
0.66
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Directors and Employee | Maximum |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options granted, exercise price | $ / shares |
|
|
|
|
|
$ 0.81
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Directors |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options granted, shares |
|
|
|
350,000
|
|
|
|
|
|
|
| Stock options granted, exercise price | $ / shares |
|
|
|
$ 0.975
|
|
|
|
|
|
|
| Stock options, vesting period |
|
|
|
1 year
|
|
|
|
|
|
|
| Exercisable warrants, expire period |
|
|
|
|
|
5 years
|
|
|
|
|
| Stock options grant date fair value | $ / shares |
|
|
|
$ 0.49
|
|
$ 0.35
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Employees |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options, number of shares vested |
|
|
|
|
|
50,000
|
|
|
|
|
| Stock options, vesting period |
|
|
|
|
|
3 years
|
|
|
|
|
| Exercisable warrants, expire period |
|
|
|
|
|
5 years
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Director 1 |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options granted, exercise price | $ / shares |
|
|
|
$ 0.97
|
|
|
|
|
|
|
| Stock options, number of shares vested |
|
|
|
250,000
|
|
|
|
|
|
|
| Stock options grant date fair value | $ / shares |
|
|
|
$ 0.43
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Executive Management |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options granted, shares |
|
|
|
1,750,000
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Executive Management and Employee |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options, vesting period |
|
|
|
3 years
|
|
|
|
|
|
|
| Exercisable warrants, expire period |
|
|
|
10 years
|
|
|
|
|
|
|
| Stock options grant date fair value | $ / shares |
|
|
|
$ 0.58
|
|
|
|
|
|
|
| Stock options granted, exercise price | $ / shares |
|
|
|
0.87
|
|
|
|
|
|
|
| Stock options granted, exercise price | $ / shares |
|
|
|
$ 0.90
|
|
|
|
|
|
|
| Stock options granted, number of shares covered by one option |
|
100,000
|
|
100,000
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Vesting Schedule One | Directors |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options, number of shares vested |
|
|
|
|
|
333,973
|
|
|
|
|
| Stock options, vesting period |
|
|
|
|
|
1 year
|
|
|
|
|
| Exercisable warrants, vesting percentage |
|
|
|
|
|
25.00%
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Vesting Schedule One | Executive Management and Employee |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options, number of shares vested |
|
|
|
1,350,000
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Vesting Schedule Two | Directors |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options, number of shares vested |
|
|
|
|
|
100,000
|
|
|
|
|
| Stock options, vesting period |
|
|
|
|
|
2 years
|
|
|
|
|
| Exercisable warrants, vesting percentage |
|
|
|
|
|
50.00%
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Vesting Schedule Two | Executive Management and Employee |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Stock options, number of shares vested |
|
|
|
400,000
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Quarterly Vesting | Directors |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Exercisable warrants, vesting percentage |
|
|
|
25.00%
|
|
|
|
|
|
|
| 2012 Equity Incentive Plan | Stock Options | Stock Option Grant Date | Executive Management and Employee |
|
|
|
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
|
|
|
| Exercisable warrants, vesting percentage |
|
|
|
50.00%
|
|
|
|
|
|
|