Month |
Amount of Advance |
Number of Warrant Shares Vested |
Fair Value of Warrant Shares on Date Vested |
Exercise Price |
Risk-Free Interest Rate |
Expected Life (In Years) |
Expected Volatility |
||||||||||||||||||||||
March 2012 |
$ | 2,000 | -- | $ | - | -- | -- | -- | -- | ||||||||||||||||||||
December 2011 |
2,000 | -- | - | -- | -- | -- | -- | ||||||||||||||||||||||
September 2011 |
1,000 | 1,229,105 | 1,611 | (1 | ) | $ | 2.034 | 0.96% | 5.00 | 86% | |||||||||||||||||||
December 2010 |
500 | 37,879 | 30 | $ | 1.650 | 1.56% | 3.90 | 91% | |||||||||||||||||||||
June 2010 |
2,000 | 151,515 | 87 | $ | 1.650 | 1.58% | 4.37 | 93% | |||||||||||||||||||||
March 2010 |
2,500 | 189,394 | 106 | $ | 1.650 | 2.36% | 4.62 | 91% | |||||||||||||||||||||
November 2009 |
- | 272,727 | 221 | $ | 1.375 | 2.31% | 5.00 | 89% | |||||||||||||||||||||
Total |
$ | 10,000 | 1,880,620 | $ | 2,055 |