Stock-Based Compensation (Tables)
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6 Months Ended |
Jun. 30, 2014
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Stock-Based Compensation [Abstract] |
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Summary Of Stock Compensation Expense |
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Three Months Ended June 30,
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Six Months Ended June 30,
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2014
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2013
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2014
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2013
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Statement of operations line item:
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General and administrative:
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Payroll
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$
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97,605
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$
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40,535
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$
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178,516
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$
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390,914
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Consulting and other professional fees
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-
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-
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-
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3,893
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Research and development:
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Payroll
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33,268
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13,836
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61,799
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29,568
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Consulting and other professional fees
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1,645
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-
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20,553
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1,947
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Total
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$
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132,518
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$
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54,371
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$
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260,868
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$
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426,322
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Schedule Of Assumptions Made In Calculating The Fair Value Of Options |
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Six Months Ended June 30,
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2014
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2013
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Black-Scholes weighted average 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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92-97
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%
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94-96
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%
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Risk free interest rate
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1.5-1.7
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%
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0.75-1.13
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%
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Expected term (in years)
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5 years
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5 years
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Summary Of Employee And Non-Employee Transactions |
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2014
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2013
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Number of Options
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Weighted Average Exercise Price
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Number of Options
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Weighted Average Exercise Price
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Outstanding at
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January 1
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9,356,795
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$
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0.92
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7,741,795
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$
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1.03
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Granted
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1,398,499
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1.07
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2,300,000
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0.37
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Exercised
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(448,693)
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0.80
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-
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-
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Expired
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-
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-
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-
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-
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Cancelled
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-
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-
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-
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-
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Outstanding at June 30
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10,306,601
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$
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0.94
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10,041,795
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$
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0.88
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Summary Of Stock Options Outstanding |
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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 at
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June 30, 2014
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10,306,601
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$
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0.94
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5.2 years
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$
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1,494,382
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Exercisable at
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June 30, 2014
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8,118,102
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$
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0.97
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4.0 years
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$
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1,133,182
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Outstanding at
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December 31, 2013
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9,356,795
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$
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0.92
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4.8 years
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$
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350,865
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Exercisable at
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December 31, 2013
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7,956,795
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$
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0.99
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4.0 years
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$
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199,795
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Summary Of Unvested Shares |
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2014
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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, 2014
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1,400,000
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$
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0.34
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Granted
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1,398,499
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$
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0.77
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Vested
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(610,000)
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$
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0.38
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Cancelled
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-
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$
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-
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Unvested at June 30, 2014
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2,188,499
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$
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0.60
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