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Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2016
Accrued Expenses |
Summary of Accrued Expenses | The following is a summary of the Company’s accrued expenses at December 31:
|  | 2016 |  | 2015 |
Accrued research and development expenses |  | $ | 2,513,243 |  | $ | 3,423,220 |
Accrued license and milestone fees |  |  | — |  |  | 2,000,000 |
Accrued consulting and other professional fees |  |  | 148,579 |  |  | 242,227 |
Other accrued expenses |  |  | 315,002 |  |  | 281,152 |
Accrued employee benefits |  |  | 290,547 |  |  | 195,442 |
Accrued franchise and other taxes |  |  | — |  |  | 3,590 |
Accrued expenses |  | $ | 3,267,371 |  | $ | 6,145,631 |

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