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Stock-Based Compensation (Tables)
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3 Months Ended |
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Mar. 31, 2013
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| Stock-Based Compensation [Abstract] |
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| Summary Of Stock Compensation Expense |
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Cumulative from
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Three Months Ended March 31,
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March 19, 2001 (Inception) to
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2013
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2012
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March 31, 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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350,379
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$
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39,317
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$
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2,971,808
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Consulting and other professional fees
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3,893
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23,222
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814,348
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Research and development:
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Payroll
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15,732
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20,498
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1,063,789
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Consulting and other professional fees
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1,947
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8,137
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1,330,622
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Total
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$
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371,951
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$
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91,174
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$
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6,180,567
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| Schedule Of Assumptions Made In Calculating The Fair Value Of Options |
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Three Ended March 31,
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2013
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2012
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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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95-96
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%
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101
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%
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Risk free interest rate
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0.75-0.85
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%
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0.89
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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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2013
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2012
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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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7,741,795
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$
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1.03
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7,646,795
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$
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1.05
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Granted
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1,750,000
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0.35
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75,000
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0.48
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Exercised
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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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(41,000)
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1.54
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Outstanding at March 31
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9,491,795
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$
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0.90
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7,680,795
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$
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1.04
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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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March 31, 2013
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9,491,795
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$
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0.90
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4.8 years
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$
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41,706
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Exercisable at
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March 31, 2013
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8,569,295
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$
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0.95
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4.3 years
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$
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41,706
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Outstanding at
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December 31, 2012
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7,741,795
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$
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1.03
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3.9 years
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$
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41,706
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Exercisable at
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December 31, 2012
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7,176,795
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$
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1.04
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3.5 years
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$
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41,706
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| Summary Of Unvested Shares |
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2013
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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, 2013
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565,000
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$
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0.66
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Granted
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1,750,000
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$
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0.25
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Vested
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(1,392,500)
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$
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0.35
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Cancelled
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-
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$
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-
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Unvested at March 31, 2013
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922,500
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$
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0.36
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