| Calculation of basic and diluted net loss per share |
A calculation of basic and diluted net loss per share follows:
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| ($ in thousands except share and per share amounts) |
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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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2012 |
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2011 |
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2012 |
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2011 |
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Historical net loss per share:
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Numerator:
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Net loss
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$ |
(5,935 |
) |
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$ |
(3,365 |
) |
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$ |
(18,945 |
) |
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$ |
(29,641 |
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Common Stock dividend to Series A Convertible Preferred Stockholders
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— |
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— |
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— |
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(5,861 |
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Net loss attributed to Common Stock
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$ |
(5,935 |
) |
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$ |
(3,365 |
) |
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$ |
(18,945 |
) |
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$ |
(35,502 |
) |
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Denominator:
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Weighted average common shares outstanding—basic and diluted
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24,375,749 |
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7,028,059 |
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20,738,007 |
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5,897,462 |
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Basic and diluted net loss per common share
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$ |
(0.24 |
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$ |
(0.48 |
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$ |
(0.91 |
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$ |
(6.02 |
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| Computations of diluted weighted average shares outstanding |
The following shares of potentially dilutive securities have been excluded from the computations of diluted weighted average shares outstanding, as
the effect of including such securities would be antidilutive:
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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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2012 |
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2011 |
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2012 |
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2011 |
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Series A Convertible Preferred Stock
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— |
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4,357,885 |
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— |
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4,357,885 |
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Series B Convertible Preferred Stock
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— |
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2,525,677 |
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— |
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2,470,168 |
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Series C Convertible Preferred Stock
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— |
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4,612,624 |
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— |
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1,869,061 |
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Warrants to purchase Common Stock
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1,090,296 |
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1,001,300 |
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1,067,189 |
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717,483 |
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Options to purchase Common Stock
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2,369,342 |
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1,473,798 |
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2,231,424 |
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1,368,743 |
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3,459,638 |
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13,971,284 |
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3,298,613 |
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10,783,340 |
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