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Accounts payable and accrued expenses | 9 Months Ended
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Sep. 30, 2016
Payables and Accruals [Abstract] |
Accounts payable and accrued expenses | Accounts payable and accrued expenses Accounts payable and accrued expenses at September 30, 2016 and December 31, 2015 consist of the following:
|  | September 30, 2016 |  | December 31, 2015
Employee compensation, benefits, and related accruals |  | $ | 8,898 |  |  | $ | 11,187 |
Consulting and contracted research |  | 13,336 |  |  | 13,753 |
Professional fees |  | 1,679 |  |  | 2,523 |
Accounts payable |  | 19,238 |  |  | 11,940 |
Accrued severance |  | 231 |  |  | — |
Other |  | 4,377 |  |  | 5,844 |
|  | $ | 47,759 |  |  | $ | 45,247 |

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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