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v3.19.1

Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
Accrued Expenses | Accrued expenses consist of the following (in thousands):
| December 31,
| 2017 |  | 2018
Royalties | $ | 17,854 |  |  | $ | 10,245 |
Inventory liabilities | 5,943 |  |  | 7,084 |
Salaries and employee benefits | 4,064 |  |  | 2,891 |
Professional fees | 1,376 |  |  | 1,671 |
Bonuses | 1,914 |  |  | 1,152 |
Goods in transit | 1,669 |  |  | 1,072 |
Interest expense | 1,398 |  |  | 878 |
Unearned revenue | 3,924 |  |  | 561 |
Sales commissions | 663 |  |  | 398 |
Other | 3,340 |  |  | 3,962 |
| $ | 42,145 |  |  | $ | 29,914 |

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