Shares of Common Stock Issuable from Warrants |
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Outstanding as of December 31, |
Exercise |
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2013 |
2012 |
Price |
Expiration |
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Liability-classified warrants: |
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October 2012 |
292,817 | 213,945 | $2.06 | (1) |
April 2018 |
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December 2012 |
- | 724,825 | $2.36 |
June 2018 |
||||||||||
292,817 | 938,770 | |||||||||||||
Equity-classified warrants: |
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December 2013 |
5,825,243 | - | $3.12 |
December 2018 |
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June 2013 |
491,803 | - | $3.55 |
December 2018 |
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May 2013 |
491,803 | - | $3.77 |
November 2018 |
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March 2013 |
275,000 | - | $3.49 |
September 2018 |
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April 2011 |
131,047 | 131,047 | $21.40 |
April 2016 |
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October 2009 |
3,000 | 3,000 | $77.80 |
October 2014 |
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May 2009 |
2,967 | 2,967 | $75.00 | - | 90.00 |
May 2014 - July 2014 |
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May 2009 |
109,997 | 109,997 | $90.00 |
May 2014 |
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July 2008 |
- | 33,698 | $118.70 | - | 136.50 |
July 2013 |
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Total |
7,330,860 | 280,709 | ||||||||||||
Total - all warrants |
7,623,677 | 1,219,479 |