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CONVERTIBLE PREFERRED STOCK AND WARRANTS (Tables) | 12 Months Ended
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Dec. 31, 2015
Convertible Preferred Stock And Warrants Tables |
Fair value of the warrants issued to the investors |
|  | Proceeds Allocated |  |  | Expenses Allocated |
Series A Preferred Stock |  | $ | 2,616,250 |  |  | $ | 396,369 |
Investor Warrants |  |  | 4,383,750 |  |  |  | 664,151 |
|  | $ | 7,000,000 |  |  | $ | 1,060,520 |
Reconciliation of changes in fair value | The following represents a reconciliation of the changes in fair value of warrants measured at fair value using Level 3 inputs during the year ended December 31, 2015:
(in $ thousands) |  | 2013 Investor Warrants |  |  | 2013 Placement Agent Warrants |  |  | 2010 Investor Warrants |  |  | 2010 Placement Agent Warrants |  |  | Total |
Balance, December 31, 2014 |  | $ | 10,546 |  |  | $ | 998 |  |  | $ | 1,065 |  |  | $ | 4 |  |  | $ | 12,613 |
Issuances |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exchange of warrants (1) |  |  | (10,546 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (10,546 | )
Exercise of warrants |  |  | - |  |  |  | - |  |  |  | (1,081 | ) |  |  | - |  |  |  | (1,081 | )
Change in fair value |  |  | - |  |  |  | (731 | ) |  |  | 16 |  |  |  | (4 | ) |  |  | (719 | )
Balance, December 31, 2015 (2) |  | $ | - |  |  | $ | 267 |  |  | $ | - |  |  | $ | - |  |  | $ | 267 |

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