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Accrued Expenses and Other Current Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Payables And Accruals [Abstract] |
Accrued Expenses and Other Current Liabilities | Accrued expenses and other current liabilities are comprised of the following (in thousands):
|  | December 31, |
|  | 2017 |  |  | 2016 |
Salary and related expenses |  | $ | 7,260 |  |  | $ | 3,814 |
Current portion of milestone rights liability |  |  | 1,643 |  |  |  | — |
Professional fees |  |  | 1,007 |  |  |  | 875 |
Discounts and allowances for commercial product sales |  |  | 873 |  |  |  | 754 |
Sales and marketing services |  |  | 147 |  |  |  | 144 |
Restructuring |  |  | 362 |  |  |  | 1,376 |
Accrued interest |  |  | 567 |  |  |  | 619 |
Other |  |  | 590 |  |  |  | 355 |
Accrued expenses and other current liabilities |  | $ | 12,449 |  |  | $ | 7,937 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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