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Accounts payable and accrued expenses | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
Accounts payable and accrued expenses | Accounts payable and accrued expenses Accounts payable and accrued expenses at December 31, 2018 and 2017 consist of the following:
|  | December 31,
|  | 2018 |  | 2017
Employee compensation, benefits, and related accruals |  | $ | 27,629 |  |  | $ | 17,711 |
Consulting and contracted research |  | 11,267 |  |  | 5,137 |
Professional fees |  | 5,574 |  |  | 2,116 |
Sales allowances and other related costs |  | 29,417 |  |  | 22,257 |
Royalties and rebates |  | 31,874 |  |  | 11,657 |
Accounts payable |  | 6,001 |  |  | 15,282 |
Other |  | 16,437 |  |  | 2,286 |
Total |  | $ | 128,199 |  |  | $ | 76,446 |

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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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