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Stock-Based Compensation (Tables)
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6 Months Ended |
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Jun. 30, 2012
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| Stock-Based Compensation [Abstract] |
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| Summary Of Stock Compensation Expense |
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Cumulative from March 19, 2001 (Inception) to June 30, 2012
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Three Months Ended June 30,
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Six Months Ended June 30,
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2012
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2011
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2012
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2011
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Statement of operations line item:
General and administrative:
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Payroll
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$ 34,848
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$132,821
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$ 74,165
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$259,023
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$ 2,569,565
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Consulting and other professional fees
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(727)
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11,529
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22,495
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47,178
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809,018
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Research and development:
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Payroll
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20,469
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21,797
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40,967
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45,841
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1,013,016
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Consulting and other professional fees
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(3,838)
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4,031
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4,299
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20,125
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1,327,956
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Total
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$ 50,752
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$170,178
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$141,926
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$372,167
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$ 5,719,555
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| Schedule Of Assumptions Made In Calculating The Fair Value Of Options |
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| Summary Of Employee And Non-Employee Transactions |
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2012
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2011
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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
January 1
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7,646,795
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$ 1.05
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8,076,795
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$ 1.01
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Granted
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245,000
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0.41
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250,000
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1.55
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Exercised
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-
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-
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(75,000)
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0.24
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Cancelled
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(50,000)
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1.59
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(89,000)
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1.16
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Outstanding at June 30
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7,841,795
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$ 1.03
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8,162,795
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$ 1.03
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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
June 30, 2012
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7,841,795
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$ 1.03
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4.5 years
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$ 47,664
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Exercisable at
June 30, 2012
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7,176,795
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$ 1.03
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4.0 years
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$ 47,664
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Outstanding at
December 31, 2011
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7,646,795
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$ 1.05
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4.8 years
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$ 83,611
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Exercisable at
December 31, 2011
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6,911,795
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$ 1.02
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4.4 years
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$ 83,611
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| Summary Of Unvested Shares |
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2012
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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, 2012
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735,000
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$ 0.92
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Granted
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245,000
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$ 0.30
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Vested
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(274,000)
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$ 0.93
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Cancelled
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(41,000)
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$ 1.15
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Unvested at June 30, 2012
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665,000
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$ 0.68
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