Stock-Based Compensation (Tables)
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9 Months Ended |
Sep. 30, 2016 |
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| Stock-Based Compensation [Abstract] |
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| Summary Of Stock Compensation Expense |
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For the Three Months Ended September 30,
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For the Nine Months Ended September 30,
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2016
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2015
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2016
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2015
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Statement of operations line item:
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General and administrative
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$
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232,951
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$
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127,203
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$
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673,064
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$
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492,908
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Research and development
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136,451
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98,113
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390,525
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276,760
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Total
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$
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369,402
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$
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225,316
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$
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1,063,589
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$
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769,668
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| Schedule Of Assumptions Made In Calculating The Fair Value Of Options |
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Nine Months Ended September 30,
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2016
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2015
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Black-Scholes assumptions
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Expected dividend yield
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0
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%
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0
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%
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Expected volatility
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31-75
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%
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72-80
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%
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Risk free interest rate
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0.8-1.4
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%
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1.2-1.7
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%
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Expected term (in years)
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2-6 years
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5-6 years
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| Summary Of Employee And Non-Employee Transactions |
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Number of Options
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Weighted Average Exercise Price
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Weighted Average Remaining Contractual Term
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Aggregate Intrinsic Value
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Outstanding, January 1, 2016
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12,590,982
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$
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0.83
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6.8 years
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$
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26,500
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Granted
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5,876,391
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0.32
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Exercised
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-
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-
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Expired
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(610,000)
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1.20
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Cancelled
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(83,333)
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0.51
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Outstanding, September 30, 2016
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17,774,040
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$
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0.65
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7.4 years
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$
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-
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Exercisable, September 30, 2016
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8,530,929
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$
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0.82
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5.7 years
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$
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-
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| Summary Of Unvested Shares |
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2016
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Number of Options
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Weighted Average Fair Value at Grant Date
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Unvested at January 1, 2016
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5,888,432
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$
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0.51
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Granted
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5,876,391
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$
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0.20
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Vested
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(2,476,504)
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$
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0.46
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Cancelled
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(45,208)
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$
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0.35
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Unvested at September 30, 2016
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9,243,111
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$
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0.33
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