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Accrued expenses and other current liabilities (Tables) | 12 Months Ended
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Dec. 31, 2014
Accrued Expenses and Other Current Liabilities | Accrued expenses and other current liabilities are comprised of the following (in thousands):
|  | December 31, |
|  | 2014 |  |  | 2013 |
Salary and related expenses |  | $ | 14,928 |  |  | $ | 12,193 |
Research and clinical trial costs |  |  | — |  |  |  | 1,311 |
Accrued interest |  |  | 2,396 |  |  |  | 2,082 |
Construction in progress |  |  | 1,343 |  |  |  | 342 |
Other |  |  | 7,539 |  |  |  | 5,706 |
Accrued expenses and other current liabilities |  | $ | 26,206 |  |  | $ | 21,634 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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