| Reserved For Future Issuance Upon Exercise Of Stock Options And Warrants Or Conversion Of Debt Text Block [Table Text Block] |
The following table summarizes information with regard to outstanding warrants to purchase common stock as of September 30, 2016.
| | | Number of Shares | | | | | | | | | Issuable Upon | | | | | | | | | Exercise of | | | | | | | | | Outstanding | | Exercise | | | | | Offering | | Warrants | | Price | | Expiration Date | | | | | | | | | | | | April 2016 Underwritten Registered A Warrants | | | 3,626,942 | | $ | 3.04 | | August 20, 2021 | | | October 2015 Incremental Series A Warrants | | | 300,006 | | | 2.13 | | October 20, 2021 | | | October 2015 Registered Direct Series A Warrants | | | 86,365 | | | 2.13 | | April 1, 2021 | | | October 2015 Placement Agent | | | 3,750 | | | 28.30 | | October 1, 2020 | | | August 2014 Public (1)
| | | 504,019 | | | 46.80 | | August 20, 2019 | | | February 2013 Public Offering (2)
| | | 38,750 | | | 2.13 | | February 20, 2018 | | | February 2013 Placement Agents | | | 3,854 | | | 125.00 | | February 4, 2018 | | | November 2012 Private Placement | | | 5,000 | | | 250.00 | | November 2, 2017 | | | June 2012 Public Offering | | | 14,910 | | | 250.00 | | June 13, 2017 | | | December 2011 Underwritten Offering | | | 46,246 | | | 120.00 | | December 6, 2016 | | | Total | | | 4,629,842 | | | | | | |
| (1)
| These warrants have a certain type of cash settlement feature and the warrants have been accounted for as derivative instruments as described in Note 3, with the exception of 9,704 warrants issued to the underwriter.
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| (2)
| These warrants’ exercise prices are subject to adjustment for “down-rounds” and the warrants have been accounted for as derivative instruments as described in Note 3.
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